Niccolò Machiavelli

Men are so simple, and so subject to present necessities, that he who seeks to deceive will always find someone who will allow himself to be deceived.

Niccolò Machiavelli, 1469–1527
Men are so simple, and so subject to present necessities, that he who seeks to deceive will always find someone who will allow himself to be deceived. — Niccolò Machiavelli