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

The eternal mystery of the world is its comprehensibility.

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

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.

Appearances are a glimpse of the obscure.

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

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

How gloriously legible are the constellations of the heavens!

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