We have a definite but unknown quantity of experience at our disposal. As soon as the hourglass is turned, the sand will begin to run out and once it starts, it cannot stop until it's all gone.
We have a definite but ...
Quotes from the same author
Computers are useless. They can only give you answers.
Everything you can imagine is real.
Only put off until tomorrow what you are willing to die having left undone.
I begin with an idea and then it becomes something else.
I am always doing that which I cannot do, in order that I may learn how to do it.