Exhausting Quote by Wallace D. Wattles

There is no labor from which most people shrink as they do from that of sustained and consecutive thought; it is the hardest work…

— Wallace D. Wattles

Thinking is hard work; that's why so few do it.

— Anonymous

Thinking is hard work. That's why there are so few people doing it.

— Henry Ford

Thinking is hard work, which is why so few people do it.

— Henry Ford

Thinking is the hardest work we do.

— Henry Ford

Labor is life; thought is light.

— Victor Hugo

Learning, undigested by thought, is labor lost.

— Confucius

Thinking is the hardest work we can do, and among the most important

— Richard J. Foster

Thinking is hard work, which is why you don't see many people doing it.

— Sue Grafton

Thinking is harder work than hard work.

— Leo Rosten

Thinking is hard; that's why so few do it.

— John C. Maxwell

I find that arduous physical labor can jump-start my thought process.

— Jane Fonda