<Li> Thales of Miletus ( c. 624 -- c. 546 BC ) is the first well - known philosopher , mathematician , and astronomer . His advice , `` Know thyself , '' was engraved on the front facade of the Temple of Apollo in Delphi . </Li>
<Li> Thales of Miletus ( c. 624 -- c. 546 BC ) is the first well - known philosopher , mathematician , and astronomer . His advice , `` Know thyself , '' was engraved on the front facade of the Temple of Apollo in Delphi . </Li>
of miletus one of the seven stages of greece
of miletus one of the seven stages of greece
Thales
Thales