One who is able to withdraw his senses from sense objects, as the tortoise draws his limbs within the shell, is to be understood as truly situated in knowledge.
Both the good and the pleasant present themselves to a man. The calm soul examines them well and discriminates. Yes, he prefers the good to the pleasant; but the fool chooses the pleasant out of greed and avarice.
For which of you desiring to build a tower, does not first sit down and count the cost, whether he has enough to complete it?
While fasting detoxifies the body, silence purifies speech and brings rest to the chattering mind, and meditation takes you deep into your own being.
Each man is a microcosm of the universe. Your body is made of all the elements of the world. Nature supplied all the ingredients that make your body, which means that the universe made you by donating itself. You could accurately say that you are a small walking universe that can move, whereas the cosmic universe is stationary.

