Those who have the privilege to know have the duty to act.

It is an outcome of faith that nature-as she is perceptible to our five senses-takes the character of such a well formulated puzzle.

Women always worry about things that men forget; men always worry about things women remember.

No path leads from a knowledge of that which is to that which should be.

Each act is an island in time, to be judged on its own.

He who finds though that lets us penetrate even a little deeper into the eternal mystery of nature has been granted great grace. He who, in addition, experiences the recognition, sympathy, and help of the best minds of his times, had been given almost more happiness than one man can bear.

I hate all the loathsome nonsense that goes with patriotism.