A scientist is a mimosa when he himself has made a mistake, and a roaring lion when he discovers a mistake of others.

Why does this magnificent applied science which saves work and makes life easier bring us so little happiness? ... The simple answer runs: 'Because we have not yet learned to make sensible use of it.'

Opinions about obviousness are to a certain extent a function of time.

It is every man's obligation to put back into the world at least the equivalent of what he takes out of it.

Nothing happens until something moves. When something vibrates, the electrons of the entire universe resonate with it. Everything is connected.

Hope that justice will be done to those brave men who stood up for their convictions.

Everything that is really great and inspiring is created by the individual who can labor in freedom.