Trading Quotes is a great blog of which I picked out a couple of my favorite.

There is time to go long, time to go short and time to go fishing.

Jesse Livermore

The more data we have, the more likely we are to drown in it.

Nassim Taleb

Don’t try to buy at the bottom and sell at the top. It can’t be done except by liars.

Bernard Baruch

Markets can remain irrational longer than you can remain solvent.

John Maynard Keynes