Hedges between keep friendships green. – Proverb

Your next-door neighbor is not a man; he is an environment. He is the barking of a dog; he is the noise of a piano; he is a dispute about a party wall; he is drains that are worse than yours, or roses that are better than yours. – G. K. Chesterton

Far better a neighbor that is near than a brother far off. – Bible

A good neighbor sometimes cuts your morning up to mince-meat of the very smallest talk, then helps to sugar her bohea at night with your reputation. – Elizabeth Barrett Browning