346 Quotes About Rationality

Love of Truth is one of the strongest motives for replacing what really happens by a streamlined account or, to express it in a less polite manner -- love of truth is one of the strongest motives for deceiving oneself and others.

Like all people who have known rough times, light-heartedness seemed to her too irrational and inconsequent to be indulged in except as a reckless dram now and then; for she had been too early habituated to anxious reasoning to drop the habit suddenly...Her triumph was tempered by circumspection, she had still that field-mouse fear of the coulter of destiny despite fair promise, which is common among the thoughtful who have suffered early from poverty and oppression.

For it is a sad rule that whenever you are most in need of your art as a rationalist, that is when you are most likely to forget it.

Happiness is a state of non-contradictory joy—a joy without penalty or guilt, a joy that does not clash with any of your values and does not work for your own destruction. Happiness is possible only to a rational man, the man who desires nothing but rational goals, seeks nothing but rational values and finds his joy in nothing but rational actions.

Engaging irrational people with rational arguments is irrational.

You'd think that it would make them all the more credible to be free of any obvious agenda or emotional bias, motivated only by objective logic. But there's something off-putting about these hyperrational types; they're immune to any appeals to common sense or humor, the for fuck's sake defense. [...] As Kim Stanley Robinson writes, "An excess of reason is in itself a form of madness".

Sometimes pulling numbers out of your arse and using them to make a decision is better than pulling a decision out of your arse.

Dismissing without further investigation something that conflicts with what is already known is the very heart of rationality.

As understanding deepens, the further removed it becomes from knowledge.