Quotes About Logic

How can a reason which hates God be called sound?

Bad logic was an early warning sign for prejudice.

By mistreating the source of all logic we can enforce shortcuts.

The truly intelligent person is one who knows when to use logic and when to rely on intuition.

Think with your head, not your heart.' He looked

It now seems possible, even necessary, to reconnect art with science, synthesis with analysis, magic with logic.

If our rational brains were deprived of emotion, even the most banal decisions would become impossible.

Peace will always rule the day where reason rules the mind.

If toast always lands butter-side down, and cats always land on their feet, what happens if you strap toast on the back of a cat and drop it?

People who are sensible about love are incapable of it.

Mathematics had never had more than a secondary interest for him [her husband, George Boole]; and even logic he cared for chiefly as a means of clearing the ground of doctrines imagined to be proved, by showing that the evidence on which they were supposed to give rest had no tendency to prove them.

It would have been more logical if silent pictures had grown out of the talkies instead of the other way around.

My intuitive, feeling mind and my logical mind work in concert.

One question I have about this theory (*Darwin) is: What basis was used to determine which species are higher or lower, and which are strong or weak? To decide that the phenomenon of the survival of the fittest is the providence of nature and that people are the highest, most evolved species seems to reflect more the strongman logic of human beings than the true state of nature. No one can say which species is the strongest because all living things depend on one another to survive (...)

Logic and fact keep interfering with the easy flow of conversation.

Religious traditions do make more space for the supernatural, the mystical, and the spiritual, which is why faith is a core element of religion and rarely so in philosophy. It is also why religions can be at peace without definite answers and give answers to some questions that are unanswerable for philosophers (because they often defy logic or rationality).

Nada emancipa tanto la mente» como adoptar un punto de vista racional; y nada te sitúa en una posición mejor y más objetiva para hacer frente a los problemas.

Para decidir cuál es la mejor forma de vivir (ética), hay que entender cómo funciona el mundo (física) y razonar adecuadamente sobre ello (lógica).

What these cases of success in the hard sciences have in common is that they really do lend themselves to a straightforward logical analysis: there is a limited number of options, and they are mutually exclusive. Just like logical trees work very well in classic Aristotelian logic (where the only values that can be attached to a proposition are true or false), so strong inference works well with a certain type of scientific question.

for it is the mark of an educated man to look for precision in each class of things just so far as the nature of the subject admits; it is evidently equally foolish to accept probable reasoning from a mathematician and to demand from a rhetorician demonstrative proofs.

Science is the great antidote to the poison of enthusiasm and superstition.-Adam Smith

Suddenly it made me realize why religion was such a big thing around here. Because, yes, sure, God could not exist. But then neither could humans. So if they believed in themselves--the logic must go-- why not believe in something that was only a fraction more unlikely?

If God exists, what is He but a mathematician?

Listen, emotions have logic. Without emotions humans wouldn't care for each other, and if they didn't care for each other, the species would have died out. To care for others is self-preservation. You care for someone and they care for you.