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Quotes about Logic

Many things complicated by nature are restored by reason.
- Livy
A man who is furnished with arguments from the mint will convince his antagonist much sooner than one who draws them from reason and philosophy.
- Joseph Addison
Good philosophy must exist, if for no other reason, because bad philosophy needs to be answered.
- CS Lewis
Probabilities direct the conduct of the wise man.
- Cicero
Reason is your means of survival — so that for you, who are a human being, the question 'to be or not to be' is the question 'to think or not to think..'.
- Ayn Rand
Thinking rationally is often different from "positive thinking," in that it is a realistic assessment of the situation, with a view towards rectifying the problem if possible.
- Albert Ellis
Whatever begins to exist has a cause; the universe began to exist; therefore, the universe has a cause"). Second
- William Lane Craig
Ghazali frames his argument simply: "Every being which begins has a cause for its beginning; now the world is a being which begins; therefore, it possesses a cause for its beginning.
- William Lane Craig
Reductio ad absurdum, or reduction to absurdity, is a form of argument that proves a statement by demonstrating that its opposite is absurd.
- William Lane Craig
A good argument must obey the rules of logic; express true premises; and have premises more plausible than their opposites.
- William Lane Craig
God put enough into the world to make faith in Him a reasonable thing. But He left enough out to make it impossible to live by reason alone.
- Ravi Zacharias
The only proof for the existence of God is that without God you couldn't prove anything.
- Cornelius Van Til