Public opinion exists only where there are no ideas.

There is no sin except stupidity.

I always like to know everything about my new friends, and nothing about my old ones.

It's an odd thing, but anyone who disappears is said to be seen in San Francisco. It must be a delightful city and possess all the attractions of the next world

Romance should never begin with sentiment. It should begin with science and end with a settlement. Nothing spoils romance so much as a sense of humor in the woman. When one is in love one always begins by deceiving oneself, and one always ends by deceiving others. This is what the world calls a romance.

We live, I regret to say, in an age of Big Data hype.

Religions die when they are proved to be true. Science is the record of dead religions.