One alone does not help, but rather he who unites with many at the right moment.
Beauty is everywhere a welcome guest.
Everything in science depends on what one calls an aperรงu, on becoming aware of what is at the bottom of the phenomena. Such becoming aware is infinitely fertile.
Unlike grown ups, children have little need to deceive themselves.
There is nothing worse than aggressive stupidity.
The absence of temptation is the absence of virtue.