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

Science is a cemetery of dead ideas.

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

The unknown is the largest need of the intellect.

New things are always ugly.

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

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

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

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

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