“Reason is immortal, all else mortal.”
Pythagoras
The quote makes a case for purposeful restraint in speech. Words spoken without genuine thought or meaning do not simply fail to help: they actively clutter communication and can diminish trust and respect. Silence, by contrast, is honest. It carries no false content and wastes no one's time. The underlying advice is to speak only when what you say has real weight and intention behind it.
Many ancient philosophical traditions placed a high value on disciplined speech as a marker of wisdom. In the Pythagorean community in particular, silence was reportedly practiced as a form of training, with newer members sometimes required to listen without speaking for extended periods. This was understood as a way of developing careful thought before expression. The quote reflects that broader cultural attitude: that the quality of what one says matters far more than the quantity, and that knowing when not to speak is itself a form of intelligence.
Pythagoras was an ancient Greek philosopher and mathematician whose work touched mathematics, music, cosmology, and ethics. He founded a close-knit philosophical community that observed specific practices and held numbers to be the key to understanding reality. His own voice is not directly available to us since he left no written texts. The sayings attributed to him were gathered and transmitted by later writers, so they represent the Pythagorean tradition more broadly rather than a certain record of his own words.
“Reason is immortal, all else mortal.”
Pythagoras
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Pythagoras
“As soon as laws are necessary for men, they are no longer fit for freedom.”
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“Rest satisfied with doing well, and leave others to talk of you as they will.”
Pythagoras
“It is better either to be silent, or to say things of more value than silence.”
Pythagoras
“Do not allow sleep to close your eyes until you have gone over the events of the day three times.”
Pythagoras · Golden Verses
“Choose rather to be strong of soul than strong of body.”
Pythagoras
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Pythagoras · Golden Verses
“Let no one persuade you by word or deed to do or say whatever is not best for you.”
Pythagoras · Golden Verses
“Do not even think of doing what ought not to be done.”
Pythagoras · Golden Verses
“Be silent, or let thy words be worth more than silence.”
Pythagoras
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Pythagoras