Words of wisdom from the American author (and prolific tweeter): "Homo sapiens is the species that invents symbols in which to invest passion and authority, then forgets that symbols are inventions."

Is it our cognition or wonder that elevates us to the ranks of humanity? According to the late fantasy author Terry Pratchett, our imagination is what sets us apart.

Words of wisdom from Nikola Tesla: "There is no conflict between the ideal of religion and the ideal of science, but science is opposed to theological dogmas because science is founded on fact."

"I do not think there is any thrill that can go through the human heart like that felt by the inventor as he sees some creation of the brain unfolding to success. ... Such emotions make a man forget food, sleep, friends, love, everything."

There's a reason Tesla is so in vogue right now. The dude was basically science's Nostradamus, predicting globalized wireless communication nearly eight decades before it came to fruition.

"A single ray of light from a distant star falling upon the eye of a tyrant in bygone times may have altered the course of his life, may have changed the destiny of nations, may have transformed the surface of the globe, so intricate, so inconceivably complex are the processes in Nature." — Nikola Tesla, 1893

Words of wisdom from American aviator Amelia Earhart: "Never do things others can do and will do, if there are things others cannot do or will not do."