See now the power of truth.

Knowing thyself, that is the greatest wisdom.

I, Galileo, son of the late Vicenzo Galilei, swear that I never said that the prime numbers are useless. What I said was that you cannot count lunar craters by counting 2, 3, 5, 7.

I do not feel obliged to believe that the same God who has endowed us with senses, reason, and intellect has intended us to forego their use.

The Milky Way is nothing else but a mass of innumerable stars planted together in clusters.

The prohibition of science would be contrary to the Bible, which in hundreds of places teaches us how the greatness and the glory of God shine forth marvelously in all His works, and is to be read above all in the open book of the heavens.

With regard to matters requiring thought: the less people know and understand about them, the more positively they attempt to argue concerning them.