Quotes by Galilei, Galileo

Doubt is the father of invention. >>

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

Quotations about Doubt

In contemplation, if a man begins with certainties he shall end in dou >>

Suspicion amongst thoughts are like bats amongst birds, they never fly >>

I wish I could be half as sure of anything as some people are of every >>

Doubt is the father of invention.

Galilei, Galileo