Blood is a destiny. One's genius descends in the stream from long lines of ancestry.

I have always sought to guide the future-but it is very lonely sometimes trying to play God.

The very minute a thought is threatened with publicity it seems to shrink towards mediocrity.

Longevity is having a chronic disease - and taking care of it.

If there is any principle of the Constitution that more imperatively calls for attachment than any other it is the principle of free thought, not free thought for those who agree with us but freedom for the thought that we hate.

Any new formula which suddenly emerges in our consciousness has its roots in long trains of thought; it is virtually old when it first makes its appearance among the recognized growths of our intellect.

But I have long thought that if you knew a column of advertisements by heart, you could achieve unexpected felicities with them. You can get a happy quotation anywhere if you have the eye.