To be humane, we must ever be ready to pronounce that wise, ingenious and modest statement 'I do not know'.

Galileo Galilei

Two truths cannot contradict one another.

Galileo Galilei

In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.

Galileo Galilei

You cannot teach a man anything; you can only help him find it within himself.

Galileo Galilei

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

Galileo Galilei

Mathematics is the language with which God has written the universe.

Galileo Galilei

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

Galileo Galilei

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

Galileo Galilei

Where the senses fail us, reason must step in.

Galileo Galilei

By denying scientific principles, one may maintain any paradox.

Galileo Galilei

The Bible shows the way to go to heaven, not the way the heavens go.

Galileo Galilei

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

Galileo Galilei