Two truths cannot contradict one another.

Galileo Galilei

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

Galileo Galilei

Where the senses fail us, reason must step in.

Galileo Galilei

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

Galileo Galilei

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

Galileo Galilei

Nature is written in mathematical language.

Galileo Galilei

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

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

All truths are easy to understand once they are discovered; the point is to discover them.

Galileo Galilei

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

Galileo Galilei

By denying scientific principles, one may maintain any paradox.

Galileo Galilei