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

What one man can invent another can discover.

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

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

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

Science is a cemetery of dead ideas.

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

I learned to make my mind large, as the universe is large, so that there is room for paradoxes.

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

What one man can invent another can discover.