Oliver Wendell Holmes, Jr. Quotes.

Three generations of imbeciles are enough.
A new untruth is better than an old truth.
A man is usually more careful of his money than of his principles.
The only prize much cared for by the powerful is power.
The advice of the elders to young men is very apt to be as unreal as a list of the hundred best books.
A word is not a crystal, transparent and unchanged; it is the skin of a living thought and may vary greatly in color and content according to the circumstances and time in which it is used.

Success. Is not the position where you are standing, but which direction you are going.
Between two groups of people who want to make inconsistent kinds of worlds, I see no remedy but force.
Beware how you take away hope from another human being.
It seems to me that at this time we need education in the obvious more than investigation of the obscure.
To have doubted one’s own first principles is the mark of a civilized man.
A mind that is stretched by a new experience can never go back to its old dimensions.

If I were dying, my last words would be: Have faith and pursue the unknown end.
Even for practical purposes theory generally turns out the most important thing in the end.