Ability to think, like the violin or piano, requires daily practice.

A man who cannot think is not an educated man however many college degrees he may have acquired.

Few people think more than two or three times a year; I have made an international reputation for myself by thinking once or twice a week.

Think before you speak, your words could hurt someone's feeling more than you intended it to.

I'm just a little bit sicker than the average individual I think.

Paper is to write things down that we need to remember. Our brains are used to think.