“There are those who reason well, but they are greatly outnumbered by those who reason badly.”

The laws of nature are written by the hand of God in the language of mathematics.

Being infinitely amazed, so do I give thanks to God, Who has been pleased to make me the first observer of marvelous things, unrevealed to bygone ages.

The increase of known truths stimulates the investigation, establishment, and growth of the arts.

Where the senses fail us, reason must step in.

The vain presumption of understanding everything can have no other basis than never having understood anything.

You may force me to say what you wish; you may revile me for saying what I do. But it moves.

See now the power of truth.

In my studies of astronomy and philosophy I hold this opinion about the universe, that the Sun remains fixed in the centre of the circle of heavenly bodies, without changing its place; and the Earth, turning upon itself, moves round the Sun.

Who would dare assert that we know all there is to be known?

It is surely harmful to souls to make it a heresy to believe what is proved.

Knowing thyself, that is the greatest wisdom.

Philosophy is written in that great book which ever lies before our eyes. I mean the universe, but we cannot understand it if we do not first learn the language and grasp the symbols, in which it is written.

The nature of the human mind is such that unless it is stimulated by images of things acting upon it from without, all remembrance of them passes easily away.

We cannot teach people anything; we can only help them discover it within themselves.

Holy Scripture could never lie or err…its decrees are of absolute and inviolable truth.

Holy Scripture could never lie or err…its decrees are of absolute and inviolable truth.

Times are bad. Children no longer obey their parents, and everyone is writing a book.

I find it hard to take chances that might mean making bad decisions.

It is certainly a bad sign of common sense to appeal to it as a witness.

If there were no bad people, there would be no good lawyers.

And I will go on criticizing Socialism, and opposing Socialism because it is bad for Britain.

Courage taught me no matter how bad a crisis gets, any sound investment will eventually pay off.

I’m a big believer in winging it. I’m a big believer that you’re never going to find the perfect city travel experience or the perfect meal without a constant willingness to experience a bad one.

I must learn to separate my bad days from who I am – we are not the same.