The very basis of creative work is irreverence! The very basis of creative work is bold experimentation. There has never been a creator of lasting importance who has not also been an innovator.

Euclid taught me that without assumptions there is no proof. Therefore, in any argument, examine the assumptions.

The only royal road to elementary geometry is ingenuity.

Time makes fools of us all. Our only comfort is that greater shall come after us.

Wherever groups disclosed themselves, or could be introduced, simplicity crystallized out of comparative chaos.

The very basis of creative work is irreverence! The very basis of creative work is bold experimentation. There has never been a creator of lasting importance who has not also been an innovator.

Science makes no pretension to eternal truth or absolute truth.