How gloriously legible are the constellations of the heavens!

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

Science is a cemetery of dead ideas.

The unknown is the largest need of the intellect.

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

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

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

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

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

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