Friedrich Engels Quotes

The very essence of rationalism is that it assumes that the reason is the highest faculty in man and the lord of all the rest.

Everything is reason. If you don't have reason, you have nothing.

All reasoning ends in an appeal to self-evidence.

What is reasonable is real; that which is real is reasonable.

All correct reasoning is a grand system of tautologies, but only God can make direct use of that fact.

Reason is the test of ridicule, not ridicule the test of truth.

I will live by the standard of reason, and if thinking in accordance with reason takes me to perdition, then I will go to hell with my reason rather than to heaven without it.

It is not rational to assume, without evidence, that rationality can disclose everything about the world, just because it can disclose some things. Our intuition in favour of rationality, where we are inclined to use it, is just that - an intuition. Reason is founded in intuition and ends in intuition, like a pair of massive bookends.

Reason has always existed, but not always in a reasonable form.

All our knowledge begins with the senses, proceeds then to the understanding, and ends with reason. There is nothing higher than reason.

Those who invalidate reason ought seriously to consider whether they argue against reason with or without reason.

First, he must hold rational values, and to do this he must be a thinker.

That which exercises reason is more excellent than that which does not exercise reason

Every single university student should study philosophy. You need to lead the examined life and question your beliefs. If you don't learn critical thinking, then political debate degenerates into a contest of slogans.

I'm a rationalist and a skeptic, someone who safely separates faith from reason.

Philosophy teaches you to think big.

The world of reason is to be regarded as a great and immortal being, who ceaselessly works out what is necessary, and so makes himself lord also over what is accidental.

It has been said that metaphysics is the finding of bad reasons for what we believe upon instinct.

Logic is the art of making truth prevail.

There is nothing higher than reason.

This then is the age of reason.

Logic is a wonderful invention. It is so wonderful, people often mistake it for reason. Reason, however, requires sense. Logic requires only consistency.

What is reasoned has nothing to do with what is reasonable.

Philosophy is the opposite of fairy tales

Rationalism... is a secularized form of the belief in the power of the word of God.