A house divided against itself cannot stand.
Simplicity is the ultimate sophistication.
As our case is new, we must think and act anew.
Do your little bit of good where you are; it's those little bits of good put together that overwhelm the world.
To a wise and good man the whole earth is his fatherland.
Don't compromise yourself. You are all you've got.
The ultimate authority must always rest with the individual's own reason and critical analysis.
Creativity is the process of having original ideas that have value.
The object of the superior man is truth.
A mistake is always forgivable, rarely excusable and always unacceptable.
Think globally, act locally.
Each problem that I solved became a rule which served afterwards to solve other problems.
Bitterness is like cancer. It eats upon the host. But anger is like fire. It burns it all clean.
Men become wise just as they become rich, more by what they save than by what they receive.
Forget not that the earth delights to feel your bare feet and the winds long to play with your hair.
We thought that we had the answers, it was the questions we had wrong.
Do not deny the classical approach, simply as a reaction, or you will have created another pattern and trapped yourself there.
Be sure you put your feet in the right place, then stand firm.
Thoughts without content are empty, intuitions without concepts are blind.
Almost every wise saying has an opposite one, no less wise, to balance it.
Don't raise your voice, improve your argument.