Best.

You can't think at all clearly or well without memory and it matters a great deal what you remember. And, if what you remember is mediocre stuff, you are not going to be able to think very well. And, if as a nation we stop thinking well, someday we will yet cease to be a democracy. It really matters – reading the best that has been written ever, the best that has been thought ever.

Harold Bloom, from The Western Canon: The Books and School of the Ages