The relations of the soul to the divine spirit are so pure, that it is profane to seek to interpose helps. It must be that when God speaketh he should communicate, not one thing, but all things; should fill the world with his voice; should scatter forth light, nature, time, souls, from the center of the present thought; and new date and new create the whole. Whenever a mind is simple, and receives a divine wisdom, old things pass away, means, teachers, texts, temples fall; it lives now, and absorbs past and future into the present hour. All things are made sacred by relation to it, — one as much as another. All things are dissolved to their center by their cause, and, in the universal miracle, petty and particular miracles disappear. If, therefore, a man claims to know and speak of God, and carries you backward to the phraseology of some old mouldered nation in another country, in another world, believe him not. Is the acorn better than the oak which is its fullness and completion? Is the parent better than the child into whom he has cast his ripened being? Whence, then, this worship of the past? The centuries are conspirators against the sanity and authority of the soul. Time and space are but physiological colors which the eye makes, but the soul is light; where it is, is day; where it was, is night; and history is an impertinence and an injury, if it be any thing more than a cheerful apologue or parable of my being and becoming.
Man is timid and apologetic; he is no longer upright; he dares not say "I think," "I am," but quotes some saint or sage. He is ashamed before the blade of grass or the blowing rose. These roses under my window make no reference to former roses or to better ones; they are for what they are; they exist with God to-day. There is no time to them. There is simply the rose; it is perfect in every moment of its existence. Before a leaf-bud has burst, its whole life acts; in the full-blown flower there is no more; in the leafless root there is no less. Its nature is satisfied, and it satisfies nature, in all moments alike. But man postpones or remembers; he does not live in the present, but with reverted eye laments the past, or, heedless of the riches that surround him, stands on tiptoe to foresee the future. He cannot be happy and strong until he too lives with nature in the present, above time.
(The second half of "Self-Reliance"--beginning with paragraph 24, "This should be plain enough"--is available at Bartleby.com. Here is the concluding paragraph of Emerson's essay.)
So use all that is called Fortune. Most men gamble with her, and gain all, and lose all, as her wheel rolls. But do thou leave as unlawful these winnings, and deal with Cause and Effect, the chancellors of God. In the Will work and acquire, and thou hast chained the wheel of Chance, and shalt sit hereafter out of fear from her rotations. A political victory, a rise of rents, the recovery of your sick, or the return of your absent friend, or some other favorable event, raises your spirits, and you think good days are preparing for you. Do not believe it. Nothing can bring you peace but yourself. Nothing can bring you peace but the triumph of principles.