Science is a cemetery of dead ideas.

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

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

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

Appearances are a glimpse of the obscure.

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

The unknown is the largest need of the intellect.

New things are always ugly.

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

The atavistic urge toward danger persists and its satisfaction is called adventure.

There are truths that prove their discoverers witless.

One sees great things from the valley; only small things from the peak.

When they shout “Long live progress,” always ask, “Progress of what?”