Men's fortunes are on a wheel, which in its turning suffers not the same man to prosper for ever.
Herodotus, in A. D. Godley, translator, Herodotus (1931), vol. 1, book 1, section 207, p. 261.
Neither snow, nor rain, nor heat, nor night stays these couriers from the swift completion of their appointed rounds.Herodotus
Force has no place where there is need of skill.Herodotus