Nothing causes more consternation in a group of hypocrits than one honest man.

The pursuit of knowledge is more valuable than its possession.

Man, surrounded by facts, permitting himself no surprise, no intuitive flash, no great hypothesis, no risk, is in a locked cell. Ignorance cannot seal the mind and imagination more securely.

Blind belief in authority is the greatest enemy of truth.

The most beautiful gift of nature is that it gives one pleasure to look around and try to comprehend what we see.

In my relativity theory I set up a clock at every point in space, but in reality I find it difficult to provide even one clock in my room.

It is easy to say something new, if all senses one will eschew. But hardly ever is found, that the new is also sound.