The secret of all effective advertising is not the creation of new and tricky words and pictures, but one of putting familiar words and pictures into new relationships.

Mathematics is the language with which God has written the universe.

The past is a foreign country; they do things differently there.

我不与任何人竞争，只与自己竞争。我的目标是超越我上一次的表现。

For the eyes of the world now look into space, to the moon and to the planets beyond, and we have vowed that we shall not see it governed by a hostile flag of conquest, but by a banner of freedom and peace.