True originality consists not in a new manner but in a new vision.

The unknown is the largest need of the intellect.

Every man takes the limits of his own field of vision for the limits of the world.

Research is formalized curiosity. It is poking and prying with a purpose. 

Most new discoveries are suddenly-seen things that were always there.

The discovery of a new dish does more for human happiness than the discovery of a star.

Nature has planted in our minds an insatiable desire to seek the truth.

New things are always ugly.

One doesn’t discover new lands without consenting to lose sight of the shore for a very long time.

I am tormented with an everlasting itch for things remote. I love to sail forbidden seas and land on barbarous coasts.

A man of genius makes no mistakes. His errors are volitional and are the portals of discovery.

I learned to make my mind large, as the universe is large, so that there is room for paradoxes.

Science is a cemetery of dead ideas.