915 Quotes About Logic

If one man challenges a statement and another cannot prove it, it does not necessarily follow that the statement is false.

The amount of understanding produced by a theory is determined by how well it meets the criteria of adequacy–testability, fruitfulness, scope, simplicity, conservatism–because these criteria indicate the extent to which a theory systematizes and unifies our knowledge.

For wicked people to do evil requires money, and good people superstition. Combining these elements and we get organized religion, but to achieve the worst of all evil conflate politics to the compound and the tragedies are endless.

For wicked people to do evil requires money, and good people superstition. Combining these elements gives us organized religion, but to achieve the worst of all evil conflate politics to the compound and the tragedies are endless.

There may be more danger in prejudices which are apparently founded in logic than in those which are acknowledged as emotions. (p69)

Poincaré was a vigorous opponent of the theory that all mathematics can be rewritten in terms of the most elementary notions of classical logic; something more than logic, he believed, makes mathematics what it is.

Ruthlessness is the most practical of emotions, Reen's voice whispered. She ignored it.

As the dew drop slides down the leaf to wet the soil, they call it "fall in love". Yet, do we know the way up from the way down?

But the world doesn't run on logic, it runs on the seven deadly sins and the weather. - Alan Furst; Red Gold