I came- though the child of entirely irreligious (Jewish) parents - to a deep religiousness, which, however, reached an abrupt end at the age of twelve.

The future is not a gift-it is an achievement.

If I am right the Germans will say I was a German, and the French will say I was a Jew; If I am wrong the Germans will say I was a Jew and the French will say I was a German.

Everything that can be counted does not necessarily count; everything that counts cannot necessarily be counted.

May the conscience and the common sense of the peoples be awakened, so that we may reach a new stage in the life of nations, where people will look back on war as an incomprehensible aberration of their forefathers!

It is the supreme art of the teacher to awaken joy in creative expression and knowledge.

Life is like a bicycle; keep moving on to maintain balance.