Knowledge is the treasure of the mind, but discretion is the key to it, without which it is useless. The practical part of wisdom is the best.
Owen FelthamEvery man should study conciseness in speaking; it is a sign of ignorance not to know that long speeches, though they may please the speaker, are the torture of the hearer.
Owen FelthamArrogance is a weed which grows upon a dunghill; it is from the rankness of the soil that she has her height and spreadings: witness, clowns, fools, and fellows, who from nothing, are lifted up some few steps on fortune's ladder: where, seeing the glorious representment of honour above them, they are so eager to embrace it, that they strive to leap thither at once, and by over-reaching themselves in the way, they fail of the end, and fall.
Owen Feltham