“Together we shall save our planet, or together we shall perish in its flames.”

— John F. Kennedy, Address to the United Nations General Assembly (25 September 1961)

About John F. Kennedy

1917 – 1963

Thirty-fifth President of the United States.

“We choose to go to the Moon in this decade and do the other things, not because they are easy, but because they are hard.”

“Children are the world's most valuable resource and its best hope for the future.”

“For of those to whom much is given, much is required.”

“He is a wise man who does not grieve for the things which he has not, but rejoices for those which he has.”

Attribution note: Source disputed or unverified.

“Knowing yourself is the beginning of all wisdom.”

Attribution note: Source disputed or unverified.

“Yesterday I was clever, so I wanted to change the world. Today I am wise, so I am changing myself.”

“He who knows others is wise; he who knows himself is enlightened.”

Attribution note: Source disputed or unverified.

“The man who asks a question is a fool for a minute, the man who does not ask is a fool for life.”

“The truth is rarely pure and never simple.”