We have two ears and one mouth, so we should listen more than we say.

Philosophers
Zeno of Citium
Zeno of Citium (c. 334-262 BC), a Phoenician who lost everything in a shipwreck, founded Stoicism in Athens. His doctrine that virtue alone is the good shaped Western ethics from Rome to modern resilience science.
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Source: Lives of the Eminent PhilosophersVerified