“Never seem more learned than the people you are with. Wear your learning like a pocket watch and keep it hidden. Do not pull it out to count the hours, but give the time when you are asked.”
“Many a man would rather you heard his story than grant his request.”
“Whatever is worth doing at all is worth doing well.”
“Words are the dress of thoughts; which should no more be presented in rags, tatters, and dirt than your person should.”
“The world can doubtless never be well known by theory: practice is absolutely necessary.”
“Common sense (which, in truth, is very uncommon) is the best sense I know of: abide by it; it will counsel you best.”