Problems are not stop signs, they are guidelines.
To know oneself, one should assert oneself.
Do not weep do not wax indignant. Understand.
By failing to prepare, you are preparing to fail.
Who seeks shall find.
You never know what motivates you.
What you do today can improve all your tomorrows.
Be gentle to all and stern with yourself.
If you've got a talent, protect it.
I can, therefore I am.
A man ceases to be a beginner in any given science and becomes a master in that science when he has learned that he is going to be a beginner all his life.