"Think of the fierce energy concentrated in an acorn! You bury it in the ground, and it explodes into an oak! Bury a sheep, and nothing happens but decay."

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Never lose a chance of saying a kind word. As Collingwood never saw a vacant place in his estate but he took an acorn out of his pocket and planted it, so deal with your compliments through life. An acorn costs nothing, but it may spread into a prodigious timber.

— William Makepeace Thackeray