the problem with

the camel is that once you give him a bit of the tent,
he tends to think of the whole tent as his own.

This world is a disease. Solitude helps, when taken with green grass.
Sleep too.

Seen somewhere else -
"To understand recursion, you must first understand recursion".
neat, eh ?

another one -
Those who live by the sword, get shot by those who don't.