1. buy - Noun
2. buy - Verb
To acquire the ownership of (property) by giving an accepted price or consideration therefor, or by agreeing to do so; to acquire by the payment of a price or value; to purchase; -- opposed to sell.
To acquire or procure by something given or done in exchange, literally or figuratively; to get, at a cost or sacrifice; to buy pleasure with pain.
To negotiate or treat about a purchase.
Source: Webster's dictionaryMoney can't buy life. Bob Marley
No man is rich enough to buy back his past. Oscar Wilde
A society is democratic when no one is so rich that they can buy someone, and no one is so poor that they have to sell themselves. Source: Internet
Sweet tongues buy horses on credit. Hawaiian Proverb
If you buy things you don't need, you will soon be selling things you do need. Filipino Proverb
You cannot buy wisdom abroad if there is none at home. Russian Proverb