Why was time said to be the cradle of hope and the grave of ambition?

Question: Why was time said to be the cradle of hope and the grave of ambition!?
Best Answer - Chosen by Asker:

because the future holds our hopes!. Tonight, some may hope for the sun to rise in the future!.

Ambition though dies as time goes along!. We get old, we focus on different things, our thinking changes, procrastination takes place!.
We're on fire for something, but the fire dies down!.

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I agree with the Binary Number!. Couldn't have said it better meself!.

There is another possibility: That whoever said it first must have been frustrated in building his own time machine!. He shouda come to me in the first place! I would have enlightened him!.Www@QuestionHome@Com