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

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

How gloriously legible are the constellations of the heavens!

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. 

New things are always ugly.

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

They are ill discoverers that think there is no land, when they can see nothing but sea.

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

Appearances are a glimpse of the obscure.