Meditations by Marcus Aurelius Book 4 Page 31

occasion either of joy or sorrow. That, whatsoever it is, that comes after, doth always very naturally, and as it were familiarly, follow upon that which was before.

For thou must consider the things of the world, not as a loose independent number, consisting merely of necessary events; but as a discreet connection of things orderly and harmoniously disposed. There is then to be seen in the things of the world, not a bare succession, but an admirable correspondence and affinity.

XXXVII. Let that of Heraclitus never be out of thy mind, that the death of earth, is water, and the death of water, is air; and the death of air, is fire; and so on the contrary. Remember him also who was ignorant whither the way did lead, and how that reason being the thing by which all things in the world are