The very existence of libraries affords the best evidence that we may yet have hope for the future of man.
The first question I ask myself when something doesn't seem to be beautiful is why do I think it's not beautiful. And very shortly you discover that there is no reason.
Logical consequences are the scarecrows of fools and the beacons of wise men.  
The more you are in a state of gratitude, the more you will attract things to be grateful for.
我们知道的越多,就越意识到自己知道的多么少。