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

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

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

There are truths that prove their discoverers witless.

What one man can invent another can discover.

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

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

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

The eternal mystery of the world is its comprehensibility.

New things are always ugly.

What one man can invent another can discover.

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

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