I will give up my belief in evolution if someone finds a fossil rabbit in the Precambrian.

The extreme socialists desire to run every nation as a single business concern.

The world shall perish not for lack of wonders, but for lack of wonder

This is my prediction for the future: Whatever hasn't happened will happen, and no one will be safe from it.

The idea of protoplasm, which was really a name for our ignorance, [is] only a little less misleading than the expression "Vital force".

The future will be no primrose path. It will have its own problems. Some will be the secular problems of the past, giant flowers of evil blossoming at last to their own destruction. Others will be wholly new.

Would I lay down my life to save my brother? No, but I would to save two brothers or eight cousins.