Ὁ βίος βραχύς, ἡ δὲ τὲχνη μακρὴ, ὁ δὲ καιρὸς ὀξὺς, ἡ δὲ πεῖρα σφαλερὴ, ἡ δὲ κρίσις χαλεπή. Δεῖ δὲ οὐ μὸνον ἑωυτὸν παρέχειν τὰ δέοντα ποιεῦντα, ἀλλὰ καὶ τὸν νοσὲοντα, καὶ τοὺς παρεὸντας, καὶ τὰ ἔξωθεν
Hippocrates, first Aphorism, 400 B.C.E
(Life is short; Art is long...)