Difficulty Quote by Bernd Heinrich

I have steadily endeavoured to keep my mind free so as to give up any hypothesis, however much beloved (and I cannot resist forming…

— Charles Darwin

I not only think but also look and study things carefully. When I travel around, I look at things carefully, make comparisons of what…

— Mahathir Mohamad

If you think like others, how can you be sure you're thinking at all?

— Anonymous

You have to test your hypothesis against other theories. Certainty in the face of complex situations is very dangerous.

— Richard Holbrooke

Objectivity cannot be equated with mental blankness; rather, objectivity resides in recognizing your preferences and then subjecting them to especially harsh scrutiny - and…

— Stephen Jay Gould

When your mind tries to verify a preconceived notion you can miss the obvious.

— James Cook

See first, think later, then test. But always see first. Otherwise you will only see what you were expecting. Most scientists forget that.

— Douglas Adams

You know how it is when you go to be the subject of a psychology experiment and nobody else shows up and you think…

— Steven Wright

I believe that one thinks much more soundly if the thoughts arise from direct contact with things, than if one looks at things with…

— Vincent Van Gogh

Thinking you know something is a sure way to blind yourself.

— Frank Herbert

“Research has found that when you ask a person to test something for you, they place it under the microscope. They see things that,…

— Herb Sorensen

All there is to thinking is seeing something noticeable, which makes you see something you weren't noticing, which makes you see something that isn't…

— Anonymous