The conditions of conquest are always easy. We have but to toil awhile, endure awhile, believe always, and never turn back.

Seneca the Elder (c. 54 BC - c. AD 39) Roman orator and writer [Lucius or Marcus Annaeus Seneca, Seneca the Rhetorician]

(Attributed)

Frequently attributed instead to William Gilmore Simms or to John F. Kennedy