People like you and I, though mortal of course like everyone else, do not grow old no matter how long we live.

Once you stop learning, you start dying

The distinctions separating the social classes are false; in the last analysis they rest on force.

Student is not a container you have to fill but a torch you have to light up.

Every kind of peaceful cooperation among men is primarily based on mutual trust and only secondarily on institutions such as courts of justice and police.

When we are working at something, we come down from our high logical horse and sniff around with our nose to the ground. Then we obliterate our traces in order to become more God-like.

Creativity is contagious. Pass it on.