reason Quotes

The moment a person forms a theory, his imagination sees in every object only the traits which favor that theory.

Nothing can be divided into more parts than it can possibly be constituted of. But matter (i.e. finite) cannot be constituted of infinite parts.

Part of what it is to be scientifically-literate, it's not simply, 'Do you know what DNA is? Or what the Big Bang is?' That's an aspect of science literacy. The biggest part of it is do you know how to think about information that's presented in front of you.

Opinion is like a pendulum and obeys the same law. If it goes past the centre of gravity on one side, it must go a like distance on the other; and it is only after a certain time that it finds the true point at which it can remain at rest.

Intuition and concepts constitute... the elements of all our knowledge, so that neither concepts without an intuition in some way corresponding to them, nor intuition without concepts, can yield knowledge.

Religious fanatics want people to switch off their own minds, ignore the evidence, and blindly follow a holy book based upon private 'revelation'.

God may exist, but science can explain the universe without the need for a creator.

Far from being demeaning to human spiritual values, scientific rationalism is the crowning glory of the human spirit.

As soon as questions of will or decision or reason or choice of action arise, human science is at a loss.

One cannot conceive anything so strange and so implausible that it has not already been said by one philosopher or another.