And whoever is guided is only guided for [the benefit of] Himself.

Quran 27:92

How much more grievous are the consequences of anger than the causes of it.

Marcus Aurelius

Pride makes us long for a solution to things - a solution, a purpose, a final cause; but the better telescopes become, the more stars appear.

Julian Barnes

Requirement to be an artist: purity of heart.

Bruce Lee

It is easier to fight for one's principles than to live up to them.

Alfred Adler

Treat yourself as if you were someone that you are responsible for helping.

Jordan Peterson