THINK AND GROW RICH.
There is nothing either good or bad, but thinking makes it so.
The whole of science is nothing more than a refinement of every day thinking.[Also known for:]All of science is nothing more than the refinement of everyday thinking.
The man who acts never has any conscience; no one has any conscience but the man who thinks.
Now is no time to think of what you do not have. Think of what you can do with what there is.
Men who think deeply say little in ordinary conversations.
Many Continentals think life is a game; the English think cricket is a game.
As long as she thinks of a man, nobody objects to a woman thinking.
You should employ your little grey cells.
You are what you think.
You are free to be a drunkard, an idler, a coward, a backbiter, a fornicator; but you are not free to think for yourself.
Writing well was almost the same as thinking well, and thinking well was the next thing to acting well.