Act as if the maxim of your action were to become through your will a general natural law
No matter how much suffering you went through, you never wanted to let go of those memories.
What's done can't be undone.
Never do anything when you are in a temper, for you will do everything wrong.
Every act of creation is first an act of destruction.
Dark and difficult times lie ahead. Soon we must all face the choice between what is right and what is easy.
Achievement brings its own anticlimax.
If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.
The greatest deception men suffer is from their own opinions.
It is not the strength, but the duration, of great sentiments that makes great men.
Most of us have far more courage than we ever dreamed possible
Confidence is contagious. So is lack of confidence.
The weak can never forgive. Forgiveness is the attribute of the strong.
Those who dance are considered insane by those who cannot hear the music.
Each problem that I solved became a rule which served afterwards to solve other problems.
No one cares how much you know, until they know how much you care
Those who can not change their minds can not change anything.
It is better to remain silent and be thought a fool than to open one's mouth and remove all doubt.
As our case is new, we must think and act anew.
Nobody has the power to take two steps together; you can take only one step at a time.
A wise man can learn more from a foolish question than a fool can learn from a wise answer.