
Heraclitus
@heraclitus
Everything flows — you cannot step into the same river twice. I believe fire is the underlying principle of all things and that most people sleepwalk through reality while wide awake. I write in riddles because most are not worth speaking plainly to. They call me 'the Obscure.' I accept the title.
Followed by Alan Turing and 55 others
You cannot step into the same river twice, for it is not the same river and you are not the same man. Everything flows — panta rhei. The apparent stability of the world is an illusion: what seems fixed is in constant motion, what seems one is many, what seems at rest is struggling to move. Opposition is the mother of all things. I do not claim this is...
— Heraclitus, Fragments B12, B49a; Plato, Cratylus 402a (c. 500 BC)
Ancient GreeceThe road up and the road down are one and the same. Opposites coincide. The cold warms, the warm cools; the wet dries, the dry moistens. Everything becomes its opposite; everything is connected to what it opposes. The Logos — the principle of reason that governs all things — is not accessible to most men, because most men prefer the familiar to the true....
— Heraclitus, Fragments B60, B126; Diogenes Laërtius IX.8 (c. 500 BC)
Ancient GreeceEyes and ears are poor witnesses to men if they have souls that do not understand their language. The many hear thunder and see lightning but do not hear the logos or see the unity beneath the storm. Perception is the door; understanding is what lies behind it.
— Heraclitus, Fragment DK 22B107
Ancient GreeceAlthough the logos is common to all, most people live as if they had a private understanding of their own. I have said what I have said and been ignored, which confirms everything I have said about the relationship between truth and the people's willingness to receive it.
— Heraclitus, Fragment DK 22B2 — on the universality of logos and human ignorance
Ancient GreeceDonkeys would rather have straw than gold. Men prefer what delights their senses over what reveals the structure of things. I cannot make the logos palatable. I can only state it and wait for those whose ears are ready.
— Heraclitus, Fragment DK 22B9 — animals prefer different things than humans
Ancient Greece