What is tolerance? It is the endowment of humanity. We are all steeped in weakness and error; let us forgive each other our stupidities, that is the first law of nature.
The fundamental cause of the trouble is that in the modern world the stupid are cocksure while the intelligent are full of doubt.
Falling in love is not at all the most stupid thing that people do — but gravitation cannot be held responsible for it.
If you want to improve, be content to be thought foolish and stupid with regard to external things.
There are well-dressed foolish ideas just as there are well-dressed fools.
Our greatest stupidities may be very wise.
'It is wiser to give way!' A sad comment, which only goes to prove that stupidity rules the world.
The stupidity of people comes from having an answer for everything. The wisdom of the novel comes from having a question for everything.
When people begin to philosophize they seem to think it necessary to make themselves artificially stupid.
Man is so made that by continually telling him he is a fool he believes it, and by continually telling it to himself he makes himself believe it.
The difference between stupidity and genius is that genius has its limits.
