Yesterday is gone. Tomorrow has not yet come. We have only today. Let us begin.

One can have no smaller or greater mastery than mastery of oneself.

Wisdom is the daughter of experience.

Where there is shouting, there is no true knowledge.

Time you enjoy wasting, was not wasted.

Realize that everything connects to everything else.

The noblest pleasure is the joy of understanding.

My favorite things in life don't cost any money. It's really clear that the most precious resource we all have is time.

Why does the eye see a thing more clearly in dreams than the imagination when awake?