At twenty a man is full of fight and hope

“ At twenty a man is full of fight and hope. He wants to reform the world. When he is seventy he still wants to reform the world, but he knows he can't. ”

This quote means youthful idealism dreams of changing the world, while old age keeps the desire but loses faith in the possibility.

Rodney Dangerfield (born Jacob Cohen) was an iconic American stand-up comedian, actor, and screenwriter, famous for his self-deprecating humor and his signature catchphrase**"I don't get no respect!"**. He became a household name in the late 1960s and 1970s, known for his fast-paced delivery of one-liners, trademark rumpled suit, red tie, and nervously clutching his throat.