Pure mathematics is, in its way, the poetry of logical ideas.

The power of imagination is the ultimate creative power.. no doubt about that. While knowledge defines all we currently know and understand.. imagination points to all we might yet discover and create. Imagination is more important than knowledge. Your imagination is your preview of life's coming attractions

The most incomprehensible thing about the world is that it is comprehensible.

You think you have troubles with mathematics . . . I assure you mine are still bigger.

God casts the die, not the dice.

Logic will get you from A to B. Imagination will take you everywhere.

Science is a wonderful thing if one does not have to earn one's living at it. One should earn one's living by work of which one is sure one is capable. Only when we do not have to be accountable to anybody can we find joy in scientific endeavor.