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

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

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

What one man can invent another can discover.

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

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

What one man can invent another can discover.

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

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

The unknown is the largest need of the intellect.