Do not tell fish stories where the people know you; but particularly, don't tell them where they know the fish.
The man who is a pessimist before 48 knows too much; if he is an optimist after it, he knows too little.
I must have a prodigious quantity of mind; it takes me as much as a week sometimes to make it up.
Thunder is good, thunder is impressive; but it is lightning that does the work.
Nothing so needs reforming as other people's habits.
Facts are stubborn, but statistics are more pliable.