The good is the enemy of the best.
The best practice is inspired by theory.
It doesn't matter whose idea it is or where it came from or when it arrived in the process. The best idea is the best idea no matter what.
But if we are talking in terms of making progress in life, we must understand that "good enough" is very different from "best.
For patients to be safe, we need doctors to be able to reflect completely openly and freely about what they have done, to learn from mistakes, to spread best practice around the system, to talk openly with their colleagues.
There's a way to do it better - find it.
The U.S. states that allow for citizens' initiatives tend to have fewer laws and lower taxes than the ones that don't. But the beauty of the system is that it encourages the spread of best practice.
In art the best is good enough.
Good is often the enemy of best.
There is always a best way of doing everything.
I wouldn't want to be ideological about it but I think of it as being the best way to approach this kind of playing. I don't think it works in other music, other kinds of playing.
Let us take our children seriously! Everything else follows from this... only the best is good enough for a child.