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

I have deep faith that the principle of the universe will be beautiful and simple.

More than ever, the creation of the ridiculous is almost impossible because of the competition it receives from reality.

We know very little, and yet it is astonishing that we know so much, and still more astonishing that so little knowledge can give us so much power.

In essence, science is a perpetual search for an intelligent and integrated comprehension of the world we live in.

It requires a very unusual mind to undertake the analysis of the obvious.

Science is organized knowledge.

Chance favors the prepared mind.

Science knows no country, because knowledge belongs to humanity, and is the torch which illuminates the world.

By always thinking unto them. I keep the subject constantly before me and wait till the first dawnings open little by little into the full light.