Grow angry slowly – there's plenty of time.

Ralph Waldo Emerson
Profession: Poet
Nationality: American
Some suggestions for you :
The mind, once stretched by a new idea, never returns to its original dimensions.
Do your work, and I shall know you. Do your work, and you shall reinforce yourself.
You can never do a kindness too soon, for you never know how soon it will be too late.
No mountain is of any appreciable height to break the curve of the sphere.
Health is the first muse, and sleep is the condition to produce it.
All is a riddle, and the key to a riddle...is another riddle.