The brain is a wonderful organ. It starts working the moment you get up and does not stop until you get into the office.

—Robert Frost

Every thought is a seed. If you plant crab apples, don’t count on harvesting Golden Delicious.                                          —Bill Meyer

A great many people mistake opinions for thought.

 —Herbert V. Prochnow

The only reason some people get lost in thought is because it’s unfamiliar territory.                                                           —Paul Fix

We are shaped by each other. We adjust not to the reality of a world, but to the reality of other thinkers.

 —Joseph Chilton Pearce

We are what we think. All that we are arises with our thoughts. With our thoughts, we make our world.                            —Buddha

The forceps of our minds are clumsy things and crush the truth a little in the course of taking hold of it.                          —H.G. Wells

No matter where you go or what you do, you live your entire life within the confines of your head.                          —Terry Josephson

Did you ever stop to think, and forget to start again?

—Winnie the Pooh

The average man never really thinks from end to end of his life. The mental activity of such people is only a mouthing of clichés.                                                                   —H.L. Mencken

What luck for rulers, that men do not think.

—Adolph Hitler

Men who borrow their opinions can never repay their debts.

—George Savile

The world we have created is a product of our thinking; it cannot be changed without changing our thinking.

—Albert Einstein

Opinion is that exercise of the human will which helps us to make a decision without information.

—John Erskine

Belief is when someone else does the thinking.

—Buckminster Fuller

Believing is easier than thinking. Hence so many more believers than thinkers.                                                           —Bruce Calvert