Galileo Galilei

You cannot teach a man anything; you can only help him discover it in himself.

You cannot teach a man anything; you can only help him discover it in himself.

I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect read more

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

The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes read more

The sun, with all those planets revolving around it and dependent on it, can still ripen a bunch of grapes as if it had nothing else in the universe to do.

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

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

Doubt is the father of invention.

Doubt is the father of invention.