Mr. Market is kind of a drunken psycho. Some days he gets very enthused, some days he gets very depressed. And when he get really enthused you sell to him, and if he gets depressed, you buy from him. There's no moral taint attached to that.
In a nonviolent army, the general and the officers are elected, or are as if elected, when their authority is moral and rests solely on the willing obedience of the rank and file.
Before turning to those moral and mental aspects of the matter which present the greatest difficulties, let the inquirer begin by mastering more elementary problems.