You cannot step twice into the same river.
To me one man is worth ten thousand if he is first-rate.
For when is death not within our selves? And as Heracleitus says: โLiving and dead are the same, and so are awake and asleep, young and old. The former when shifted are the latter, and again the latter when shifted are the former."
It is better to conceal ignorance than to expose it.
All entities move and nothing remains still.
If you do not hope, you will not win that which is not hoped for, since it is unattainable and inaccessible.