Now to the term 'relativity theory.' I admit that it is unfortunate, and has given occasion to philosophical misunderstandings.

One lives one's life under constant tension, until it's time to go for good

Information is not knowledge. The only source of knowledge is experience. You need experience to gain wisdom.

Thus I came...to a deep religiosity, which, however, reached an abrupt end at the age of 12. Through the reading of popular scientific books I soon reached a conviction that much in the stories of the Bible could not be true....Suspicion against every kind of authority grew out of this experience...an attitude which has never left me.

Raffiniert ist der Herr Gott, aber boshaft ist er nicht. God is subtle, but he is not malicious.

My deep religiosity [...] found an abrupt ending at the age of twelve, through the reading of popular scientific books.

If tomorrow were never to come, it would not be worth living today.