Logical Impossibility Quotes

Nothing which implies contradiction falls under the omnipotence of God.

Nothing occurs contrary to nature except the impossible, and that never occurs.

A tautology's truth is certain, a proposition's possible, a contradiction's impossible.

There is no solution, for there is no problem.

A man walking through a wall is a miracle. A man both walking and not walking through a wall at the same time and in the same respect is a contradiction. God can perform miracles but not contradictions - not because his power is limited, but because contradictions are meaningless.

I believe things cannot make themselves impossible.

Logic must no more admit a unicorn than zoology can.

There are also two kinds of truths: truth of reasoning and truths of fact. Truths of reasoning are necessary and their opposite is impossible; those of fact are contingent and their opposite is possible.

It is dangerous to attach probability zero to anything other than a logical impossibility.