Common sense is the collection of prejudices acquired by age eighteen.
Common sense invents and constructs no less than its own field than science does in its domain. It is, however, in the nature of common sense not to be aware of this situation.
Peace cannot be kept by force; it can only be achieved by understanding.
A table, a chair, a bowl of fruit and a violin; what else does a man need to be happy?
Small is the number of people who see with their eyes and think with their minds.
Science without religion is lame, religion without science is blind.
Science is a wonderful thing if one does not have to earn one's living at it.
Reading, after a certain age, diverts the mind too much from its creative pursuits. Any man who reads too much and uses his own brain too little falls into lazy habits of thinking.
The attempt to combine wisdom and power has only rarely been successful and then only for a short while.
Politics is for the present, but an equation is for eternity.
Solitude is painful when one is young, but delightful when one is more mature.
People love chopping wood. In this activity one immediately sees results.
Sometimes one pays most for the things one gets for nothing.
Our task must be to free ourselves by widening our circle of compassion to embrace all living creatures and the whole of nature and its beauty.
Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.