If we don't believe in freedom of expression for people we despise, we don't believe in it at all.
He who chooses the beginning of the road chooses the place it leads to.
Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.
A person reveals his character by nothing so clearly as the joke he resents.
A perfection of means, and confusion of aims, seems to be our main problem.
Not everything that can be counted counts, and not everything that counts can be counted.
Knowing yourself is the beginning of all wisdom.
If you do not know the laws of right conduct, you cannot form your character.
The noblest pleasure is the joy of understanding.
If you don't stand for something you will fall for anything.
To do great things is difficult, but to command great things is more difficult.
Peace is not an absence of war, it is a virtue, a state of mind, a disposition for benevolence, confidence, justice.
Each problem that I solved became a rule which served afterwards to solve other problems.
Intellectuals solve problems, geniuses prevent them.
Generosity is giving more than you can, and pride is taking less than you need.
Stubborn and ardent clinging to one's opinion is the best proof of stupidity.
Be silent or let thy words be worth more than silence.
Reflect upon your present blessings, of which every man has many; not on your past misfortunes, of which all men have some.
You don't become what you want, you become what you believe
The use of travelling is to regulate imagination by reality, and instead of thinking how things may be, to see them as they are.
Where there is anger, there is always pain underneath.