You're not going to reinvent the wheel every time you go out, because that would disappoint the audience.

Don't reinvent the wheel, just realign it.

If a man were to spend years of his life trying to discover the chemical constituency of salt water without bothering to find out what has already been said on the subject in any elementary chemistry book, we should say that he was making very imperfect use of the resources available to us. Similarly, can it not be said that people, worrying themselves sick over their individual frustrations, constantly suffering from petty irritations and hypertensions, are making extremely imperfect use of the available human resources of adjustment when they fail to strengthen and quiet themselves through contact with literature, music, painting, and the other arts?

You don't have to reinvent the wheel every day. Today you will do what you did yesterday, and tomorrow you will do what you did today. Eventually you will get somewhere.

The standard library saves programmers from having to reinvent the wheel.

When I've tried to reinvent the wheel, I get bashed for not doing the familiar things.