In truth, to know oneself seems to be the hardest of all things. Not only our eye, which observes external objects, does not use the sense of sight upon itself, but even our mind, which contemplates intently another's sin, is slow in the recognition of its own defects. Basil of Caesarea
Why pay a dollar for a bookmark? Why not use the dollar for a bookmark? Steven Spielberg
Prayer does not use up artificial energy, doesn't burn up any fossil fuel, doesn't pollute. Neither does song, neither does love, neither does the dance. Margaret Mead
Do not use words that are too big for your mouth. Persian Proverb
A man who lives on the bank of a river does not use spittle to wash his hands. Nigerian Proverb
We do not use our bare feet to search for hidden thorns which we have seen in day time. Nigerian Proverb