Fasting in Ramadan strikes direct blows at the soul’s pharaoh-like front, shattering it. It demonstrates its impotence, weakness, and want. It makes it realize that it is a slave. (The Twenty - Ninth Letter)

With Him are the keys of the Unseen, the treasures that none knoweth but He. He knoweth whatever there is on the earth, and in the sea. Not a leaf doth fall but with His knowledge: there is not a grain in the darkness (or depths) of the earth nor anything fresh or dry (green or withered) but is (inscribed) in a Record Clear (to those who can read). (Surah Al-Anaam 59)

Here the Qur’an is saying in the face of rebellious man’s denials, who is as though challenging the Qur’an by saying, “Who will raise to life rotten bones?”, “Whoever created them in the first place, He will raise them to life. And that Creator knows every single aspect of every single thing. Furthermore, He who provides fire for you from the green tree, is able to give life to dry bones.” (The Words)

This world which is like a palace, and country which is like town, has a single maker and that it is only he who runs and administers everything. He is completely free of all deficiency. This maker, who does not appear to us, sees us and everything, and hears our words.
All his works are miracles and marvels. All these creatures whom we see but whose tongues we do not understand are his officials. (The Words)

I leave you two things. If you adhere to them, you will not deviate. One of them is the book of Allah; the other is my sunnah. They will not separate from each other until they reach the Pond of Kawthar. (Hadith - Jamiu's-Saghir - 3923)

An artistic inscription cannot exist without making known its inscriber, how is it that an inscriber who writes a huge book in a single letter and inscribes a thousand inscriptions in a single inscription should not be known through his writing and through his inscribing? The Words

It is stated in a hadith that every morning an angel calls out:“You are born to die, and construct buildings that they may be destroyed.” (Hadith al-Ajluni)

The Messenger of Allah (pbuh) states the following in a hadith: "When Doomsday approaches, time will pass faster. A year becomes like a month. The time period between two Fridays shortens like the date branch burns in fire with its leaves.” (Hadith - Ramuz al-Ahadith)

Yes, the glorification of all plants at the time their flowers open, and the moment they produce new shoots, and when they offer their smiling words is as beautiful and clear as themselves. (The Words)

Then shall anyone who has done an atom's weight of good, see it!
And anyone who has done an atom's weight of evil, shall see it. (Surah Al-Zalzala: 7-8.)

Then contemplate (O man!) the tokens of Allah's Mercy! how He gives life to the earth after its death: verily the Same will give life to the men who are dead: for He has power over all things (ar-Rum, 50)

The self-evident testimony to the existence of the truth of perfections given by all the exalted instances of wisdom in the universe, all its wondrous beauties, its just laws, its wise purposes, and in particular its testimony to the perfections of the Creator, Who brought forth the cosmos out of the void and then administered it in every way miraculously and beauteously, as well as the perfections of man, who is the conscious mirror of the Creator - such testimony is extremely clear. (The Rays)

O my soul! Make the following divine principle a guide for you: مَنْ اٰمَنَ بِالْقَدَرِ اَمِنَ مِنَ الْكَدَرِ (Hadith - ad-Daylami). Do not pursue temporary, unimportant pleasures like foolish children (Badiuzzaman Said Nursi)

O my conceited soul! You resemble a grape-vine. Do not become proud! The vine itself did not attach the bunches of grapes. Someone else attached them to it. (The Words - Twenty-sixth Word)

"If the reward yielded by good works at other times are tenfold, in the month of Rajab they are more than a hundredfold, in Sha‘ban they exceed three hundredfold, and in Ramadan they reach a thousandfold, while on Fridays in Ramadan they reach thousands and on the Night of Power may reach thirty thousand.
I congratulate you with all my heart and soul on the blessed month of Ramadan. May Almighty Allah make the Night of Power the equivalent of a thousand months for all of you, and accept it as an eighty-year lifetime of worship." (The Rays)

There are no days dearer to Allah among the days in which Allah is worshipped than the first ten days of Dhul-Hijjah. The fasting in one of those days is equivalent to one year's fasting; and the prayers performed at one of those nights are equal to the prayers performed at Laylat al-Qadr." (Tirmidhi: Sawm, 52; Ibn Majah, Siyam,39)

Repel (Evil) with what is better: then will he between whom and thee was hatred become as it were thy friend and intimate! (Surah Fussilat 34)

All the beauty in the universe comes from the beauty of the beauteous one the constantly changing and renewed universe describes and defines through all its creatures and the tongues of their mirror-like beings. The Rays

O MY BROTHERS OF THE HEREAFTER!
And O my companions in the service of the Quran! You should know—and you do know—that in this world sincerity is the most important
principle in works pertaining to the Hereafter in particular; it is the greatest strength, and the most acceptable intercessor, and the firmest point of support, and the shortest way to reality, and the most acceptable prayer, and the most wondrous means of achieving one’s goal, and the highest quality, and the purest worship. (The Rays)

The universe is a tree. Elements are its branches. Plants are its leaves. Animals are its flowers. The brightest, most luminous, best, most generous, honorable and pleasant fruit among them is Hazrat Muhammad, the Master of all prophets and apostles, the Leader of Muttaqis and the beloved one of the Lord of the Realms.

The essence of knowledge, the king and sultan of sciences is the science of belief. (The Words)

We sent thee not, but as a mercy for all creatures. (Al-Anbiya 107)

The Quran is both mentioning Allah and thought; it is both wisdom and knowledge; it is both truth and shari'ah; it is both a cure for hearts and guidance and mercy for believers. (From Risale-i Nur Collection, Masnawi an-Nuriyya)

The most virtuous prayer after fard prayers is tahajjud prayer, which is performed in the middle of the night. The most virtuous fasting after the month of Ramadan is fasting in the month of Muharram, the month of Allah. (Hadith - Jamiu's Saghir 1274)