Marcus Aurelius
Meditations 12.32
How small a part of the boundless and unfathomable time is assigned to every man, for it is very soon swallowed up in the eternal! And how small a part of the whole substance; and how small a part of the universal soul; and on what a small clod of the whole earth thou creepest! Reflecting on all this, consider nothing to be great, except to act as thy nature leads thee, and to endure that which the common nature brings.
Marcus Aurelius, Meditations 12.32, translated by George Long
How tiny a fragment of the boundless abyss of Time has been appointed to each man! For in a moment it is lost in eternity. And how tiny a part of the Universal Substance! How tiny of the Universal Soul! And on how tiny a clod of the whole Earth dost thou crawl! Keeping all these things in mind, think nothing of moment save to do what thy nature leads thee to do, and to bear what the Universal Nature brings thee.
Marcus Aurelius, Meditations 12.32, translated by C. R. Haines