Fortes Fortuna iuvat.
Fortune favours the brave.
Attributed by Pliny the Younger to his uncle during the eruption of Mount Vesuvius in which the Elder died
Quoted in Pliny (1927) [c.100 CE]. "LXVI, to Cornelius Tacitus" (in English) (eBook). Letters of Pliny. translated by William Melmoth. Hoboken, NJ: Bibliobytes. pp. p. 48. ISBN 0585049971. "Here he stopped to consider whether he should turn back again; to which the pilot advising him, "Fortune", said he, "favours the brave; steer to where Pomponianus is.""
Commonly quoted as "Fortune favours the bold".