Leonardo da Vinci. It is his most famous and valuable painting ever.
If you are referring to the United Nations speech, if they love their children they should stop destroying the environment because the destroyed environment will be the environment where their children will live. She even says that it's alright if they can't fix it, someone else will fix it, they just need to stop destroying it.
The 27th Amendment to the Constitution, added in 1992 as “No law, varying the compensation for the services of the Senators and Representatives, shall take effect, until an election of representatives shall have intervened.” was written in 1789, by Madison.
The correct answer is James Madison; 1789.
