WIST

Much knowledge of divine things is lost to us through want of faith.

Heraclitus (c.540-c.480 BC) Greek philosopher [also Heracleitus]
(Attributed)

It is hard to fight with anger; for what it wants it buys at the price of soul.

Heraclitus (c.540-c.480 BC) Greek philosopher [also Heracleitus]
(Attributed)

Although reason is common to all, the many act as if each had a private source of truth.

Heraclitus (c.540-c.480 BC) Greek philosopher [also Heracleitus]
(Attributed)

All things are in motion, and nothing is at rest. … You cannot step into the same [river] twice, for fresh waters are ever flowing in upon you.

[Πάντα ῥεῖ καὶ οὐδὲν μένει]

Heraclitus (c.540-c.480 BC) Greek philosopher [also Heracleitus]
(Attributed)
Paraphrased by Socrates in Plato, Cratylus, l. 402 [tr. B Jowett (1894)] and by Diogenes Laërtius in Lives of the Philosophers Bk 9, sec 8

Alt trans.:
Everything flows, nothing stays still
Everything flows and nothing stays.
Everything flows and nothing abides.
Everything gives way and nothing stays fixed.
Everything flows; nothing remains.
All is flux, nothing is stationary.
All is flux, nothing stays still.

You cannot step twice into the same river; for other waters are continually flowing in.
You cannot step twice into the same stream. For as you are stepping in, other waters are ever flowing on to you.
You cannot step twice into the same river.
It is impossible to step into the same river twice.
No man ever steps in the same river twice, for it's not the same river and he's not the same man.

Our envy always lasts longer than the happiness of those we envy.

Heraclitus (c.540-c.480 BC) Greek philosopher [also Heracleitus]
(Attributed)

Good character is not formed in a week or a month. It is created little by little, day by day. Protracted and patient effort is needed to develop good character.

Heraclitus (c.540-c.480 BC) Greek philosopher [also Heracleitus]
(Attributed)

Man is most nearly himself when he achieves the seriousness of a child at play.

Heraclitus (c.540-c.480 BC) Greek philosopher [also Heracleitus]
Fragment

It would not be better if things happened to men just as they wish.

Heraclitus (c.540-c.480 BC) Greek philosopher [also Heracleitus]
Fragment 52

Nothing endures but change.

Heraclitus (c.540-c.480 BC) Greek philosopher [also Heracleitus]
In Diogenes Laertes, Lives of Eminent Philosophers, 9.8 [tr. R Hicks (1925)]
Alt trans.: There is nothing permanent except change. The only constant is change. Change is the only constant. Change alone is unchanging.