From "The American Scholar"

In self-trust all the virtues are comprehended. Free should the scholar be,—free and brave. Free even to the definition of freedom, "without any hindrance that does not arise out of his own constitution." Brave; for fear is a thing which a scholar by his very function puts behind him. Fear always springs from ignorance. It is a shame to him if his tranquility, amid dangerous times, arise from the presumption that like children and women his is a protected class; or if he seek a temporary peace by the diversion of his thoughts from politics or vexed questions, hiding his head like an ostrich in the flowering bushes, peeping into microscopes, and turning rhymes, as a boy whistles to keep his courage up. So is the danger a danger still; so is the fear worse. Manlike let him turn and face it. Let him look into its eye and search its nature, inspect its origin,—see the whelping of this lion,—which lies no great way back; he will then find in himself a perfect comprehension of its nature and extent; he will have made his hands meet on the other side, and can henceforth defy it and pass on superior. The world is his who can see through its pretension. What deafness, what stone-blind custom, what overgrown error you behold is there only by sufferance,—by your sufferance. See it to be a lie, and you have already dealt it its mortal blow.

Yes, we are the cowed,—we the trustless. It is a mischievous notion that we are come late into nature; that the world was finished a long time ago. As the world was plastic and fluid in the hands of God, so it is ever to so much of his attributes as we bring to it. To ignorance and sin, it is flint. They adapt themselves to it as they may; but in proportion as a man has any thing in him divine, the firmament flows before him and takes his signet and form. Not he is great who can alter matter, but he who can alter my state of mind. They are the kings of the world who give the color of their present thought to all nature and all art, and persuade men by the cheerful serenity of their carrying the matter, that this thing which they do is the apple which the ages have desired to pluck, now at last ripe, and inviting nations to the harvest. The great man makes the great thing. Wherever Macdonald sits, there is the head of the table. Linnaeus makes botany the most alluring of studies, and wins it from the farmer and the herb-woman; Davy, chemistry; and Cuvier, fossils. The day is always his who works in it with serenity and great aims. The unstable estimates of men crowd to him whose mind is filled with a truth, as the heaped waves of the Atlantic follow the moon. ~ R.W. Emerson ("The American Scholar" was an oration "Delivered before the Phi Beta Kappa Society, at Cambridge, August 31, 1837.")