Certainty Quote by Jeremy Collier

What does reason know? Reason only knows what it has succeeded in learning...

— Fyodor Dostoevsky

Reason is the slow and torturous method by which those who do not know the truth discover it

— Blaise Pascal

“There is no real reason—other than either a metaphysical faith or a habit ingrained in the mind—to believe that nature must operate with absolute…

— Walter Isaacson

There are almost unlimited possibilities for making discoveries and to uncover the unknown. It is in the nature of the discovery that it can…

— Bengt I. Samuelsson

To make discoveries, you have to be curious about why the universe is the way it is.

— Isaac Asimov

The last advance of reason is to recognize that it is surpassed by innumerable things; it is feeble if it cannot realize that.

— Blaise Pascal

Existence is not enough; curiosity and knowledge is more important.

— Senora Roy

Curiosity has its own reason for existence.

— Albert Einstein

Many things are possible. Few things are certain.

— Harry Turtledove

Fertility of imagination and abundance of guesses at truth are among the first requisites of discovery; but the erroneous guesses must almost of necessity…

— William Stanley Jevons

We can only reason from what is; we can reason on actualities, but not on possibilities.

— Thomas Paine

Deep in the fundamental heart of mind and Universe there is a reason.

— Douglas Adams