My mother was the making of me.

The dove is my emblem.

I am both pleased but astonished by the fact that mankind has not yet begun to use all the means and devices that are available for destruction. I hope that such weapons are never manufactured in quantity.

I have never seen the slightest scientific proof of the religious ideas of heaven and hell, of future life for individuals, or of a personal God.

Let the public throw bouquets to the inventors and in time we will all be happy.

My mother was the making of me.

I find my greatest pleasure, and so my reward, in the work that precedes what the world calls success.