The opposite is beneficial; from things that differ comes the fairest attunement; all things are born through strife.
Things keep their secrets.
Man, like a light in the night, is kindled and put out.
Because it is so unbelievable, the Truth often escapes being known.
One must know that war is common, justice is strife, and everything happens according to strife and necessity.
Invisible harmony is better than visible.
Heraclitus somewhere says that all things are in process and nothing stays still, and likening existing things to the stream of a river he says that you would not step twice into the same river.
It is harder to fight pleasure than to fight emotion.
Knowledge is not intelligence.
We circle in the night and we are devoured by fire.
The gods are immortal men, and men are mortal gods.
The people should fight for the law as for their city wall.
Man is on earth as in an egg.
It is better to conceal ignorance than to expose it.
The fairest harmony springs from discord.
The wise is one only. It is unwilling and willing to be called by the name of Zeus.
The soul is dyed the color of its thoughts. Think only on those things that are in line with your principles and can bear the light of day.
Everything is in flux.
Immortal mortals, mortal immortals, one living the others death and dying the others life.
Change is the only constant.