Quote of the day
What we observe is not nature itself but nature exposed to our method of questioning. Our scientific work in physics consists in asking questions about nature in the language that we possess and trying to get an answer from experiment by the means that are at our disposal.
Cleanthes

Born: 330 BC
Died: 232 BC (aged 98)
Bio: Cleanthes, of Assos, was a Greek Stoic philosopher and successor to Zeno, as the second head of the Stoic school in Athens. Originally a boxer, he came to Athens where he took up philosophy, listening to Zeno's lectures.