one small step for man, one giant leap for mankind

English

Neil Armstrong stepping onto the Moon.

Etymology

Spoken by Neil Armstrong when he first stepped onto the surface of the Moon. Armstrong intended to say "one small step for a man", but misspoke.[1]

Phrase

one small step for man, one giant leap for mankind

1. (idiomatic) (used imitatively) A cliché used to exaggerate an accomplishment or milestone.