Here are a lot of things I like:
A designer knows he has arrived at perfection not when there is no longer anything to add but when there is no longer anything to take away. - Antoine De Saint-Exupery

I am convinced we do not only love ourselves in others but hate ourselves in others too. - Georg C. Lichtenberg

Everyone sees the unseen in proportion to the clarity of his heart, and that depends upon how much he has polished it. Whoever has polished it more sees more - more unseen forms become manifest to him. – Jalal Ad-din Rumi

What this power is I cannot say; All I know is that it exists and it becomes available only when a man is in that state of mind in which he knows exactly what he wants and is fully determined not to quit until he finds it. - William Shakespeare

Times of great calamity and confusion have been productive for the greatest minds. The purest ore is produced from the hottest furnace. The brightest thunder-bolt is elicited from the darkest storm.- Charles Caleb Colton

Mind and spirit together make up that which separates us from the rest of the animal world, that which enables a man to know the truth and that which enables him to die for the truth.- Edith Hamilton

People have to talk about something just to keep their voice boxes in working order so they'll have good voice boxes in case there's ever anything really meaningful to say. - Kurt Vonnegut, Jr.

You know you are in love when you see the world in her eyes, and her eyes everywhere in the world. - David Levesque

So which is your favorite?