Quotes about Logic

We shall never again try to convince a fool by reason, for it is both useless and dangerous.

If you can understand and believe that you have made choices that took you to a place you don't like, doesn't it make logical sense thatyou can now make choices that will take you to a place you do like?" ..."So now your game becomes one of seeking wisdom and harnessing the power of that wisdom in order to make better choices.

Fear defies logic. Information only goes so far. Even when armed with all the reasons why we should not be afraid, the fear remains.

Probable impossibilities are to be preferred to improbable possibilities.

We must accept what science tells us, that man was born from the earth. But, more logical than the scientists who lecture us, we must carry this lesson to its conclusion: that is to say, accept that man was born entirely from the world - not only his flesh and bones but his incredible power of thought.

Any good scientist will tell you there is one important rule: follow the evidence wherever it leads you...Good science is objective —that means it looks only at the evidence, even if the evidence points to something we don't want to believe.

It would be so nice if something made sense for a change.

Alice didn't think that proved it at all; however, she went on: 'And how do you know that you're mad?' 'To begin with,' said the Cat, 'a dog's not mad. You grant that?' 'I suppose so,' said Alice. 'Well then,' the Cat went on, 'you see, a dog growls when it's angry, and wags its tail when it's pleased. Now I growl when I'm pleased, and wag my tail when I'm angry. Therefore I'm mad.' 'I call it purring, not growling,' said Alice.

You might just as well say," added the Dormouse, who seemed to be talking in its sleep, "that 'I breathe when I sleep' is the same thing as 'I sleep when I breathe'!

Reason is the greatest enemy that faith has: it never comes to the aid of spiritual things.

The definition of insanity is doing the same experiment and expecting different results.

The creative principle [of science] resides in mathematics.