The pendulum of the mind oscillates between sense and nonsense, not between right and wrong.
To do great things is difficult, but to command great things is more difficult.
The greatest of all mistakes is to do nothing because you think you can only do a little
Intellectuals solve problems, geniuses prevent them.
Think globally, act locally.
Wisdom is not the product of schooling, but of the lifelong attempt to acquire it.
Colorless green ideas sleep furiously
The ultimate authority must always rest with the individual's own reason and critical analysis.
It is divinity that shapes, not only your ends, but also your acts, your words and thoughts.
Today you are you! That is truer than true! There is no one alive who is you-er than you!
Almost every wise saying has an opposite one, no less wise, to balance it.
Where there is anger, there is always pain underneath.
Property is surely a right of mankind as real as liberty.
One who loses wealth loses much. One who loses a friend loses more. But one who loses courage loses all.
Instinct is a marvellous thing. It can neither be explained nor ignored.
When you undervalue what you do, the world will undervalue who you are
If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.
Never argue with an idiot. They drag you down to their level and then beat you with experience.
Don't raise your voice, improve your argument.
Reality leaves a lot to the imagination.
Learn as though you would never be able to master it; hold it as though you would be in fear of losing it.