Two men look out a window. ...

Two men look out a window. One sees mud, the other sees the stars.
Two men look out a window. One sees mud, the other sees the stars.

Quotes from the same author

The only thing to do with good advice is to pass it on. It is never of any use to oneself.
The aim of life is self-development. To realize one's nature perfectly - that is what each of us is here for.
Be yourself; everyone else is already taken.
Laughter is not at all a bad beginning for a friendship, and it is far the best ending for one.
The smallest act of kindness is worth more than the grandest intention.