Quotes about Logic

Faith must trample under foot all reason, sense, and understanding.

There was only one catch and that was Catch-22 which specified the concern for one's own safety in the face of dangers that were real and immediate was the process of a rational mind.

The mind is the attribute of man. When man is born, he comes into existence with only one weapon with him--The reasoning mind.

When a person does something, it has the man or woman look about it. It drips with humanity. You can follow the logic of it and see the meaning behind it.

He may be mad, but there's method in his madness. There nearly always is method in madness. It's what drives men mad, being methodical.

Again, it is self-evident that truth exists. For truth exists if anything at all is true, and if anyone denies that truth exists, he concedes that it is true that it does not exist, since if truth does not exist it is then true that it does not exist.

the intention of every man acting according to virtue is to follow the rule of reason, wherefore the intention of all the virtues is directed to the same end, so that all the virtues are connected together in the right reason of things to be done, viz. prudence,

Any denial of truth presupposes truth, so the existence of truth is inescapable.

in order to find truth, one must be ready to give up those subjective preferences in favor of objective facts. And facts are best discovered through logic, evidence, and science.

Law of Causality, which is the fundamental principle of science. Without the Law of Causality, science is impossible.

We can know what we know about God because thought applies to reality. In that context, knowledge is possible. If thought does not apply to reality, then we can know nothing. Logic is a necessary presupposition of all thought. Without logic (the laws of thought), we can't even think

For nothing comes from nothing; nothing ever could.