Thought
Action limits us; whereas in the state of contemplation we are endlessly expansive  Henri Amiel
Thought is sad without action, and action is sad without thought  Henri Amiel
The test of real and vigorous thinking, the thinking which ascertains truths instead of dreaming dreams, is successful application to practice  John Stuart Mill
Thought is the seed of action  Ralph Waldo Emerson
Sooner or later, false thinking brings wrong conduct  Julian Huxley
Who reflects too much will accomplish little  Friedrich von Schiller
Think before you act  Pythagoras
Thought is behavior in reversal  Sigmund Freud
It is only liquid currents of thought that move men and the world  Wendell Phillips
A man is not idle because he is absorbed in thought.  There is a visible labor and there is an invisible labor.  Victor Hugo
Life consists of what a man is thinking of all day  Ralph Waldo Emerson
They are never alone that are accompanied with noble thoughts  Philip Sidney
Men suffer from thinking more than from anything else  Leo Tolstoy
Thinking is the hardest work there is, which is the probable reason why so few engage in it  Henry Ford, Sr.
We only think when we are confronted with a problem  John Dewey
Great thoughts reduced to practice become great acts  William Hazlitt
You are today where your thoughts have brought you; you will be tomorrow where your thoughts take you  James Allen
A thought is often original, though you have uttered it a hundred times  Oliver Wendell Holmes