Never ask a man what he knows, but what he can do. 
When an office begins to look like a family tree, you'll find worms tucked away snug and cheerful in most of the apples. 
The easiest way in the world to make enemies is to hire friends. 
Because a fellow has failed once or twice or a dozen times, you don't want to set him down as a failure till he's dead or loses his courage. 
A fellow and his business should be bosom friends in the office and sworn enemies out of it. 
You've got to preach short sermons to catch sinners. 
In all your dealings, remember that today is your opportunity; tomorrow some other fellow's. 
The world is full of bright men who know all the right things to say and who say them in the wrong place. 
Consider carefully before you say a hard word to a man, but never let a chance to say a good one go by. Praise judiciously bestowed is money invested. 
friendship. I want to say right here that the easiest way in the world to make enemies 
Those who succeed can't forgive a fellow for being a failure, and those who fail can't forgive him for being a success. 
The great secret of good management is to be more alert to prevent a man's going wrong than eager to punish him for it. 
You've got to get up every morning with determination if you're going to go to bed with satisfaction. 
What you know is a club for yourself, and what you don't know is a meat-ax for the other fellow. 
Every fellow is really two men what he is and what he might be; and you're never absolutely sure which you're going to bury till he's dead.
There isn't any such thing as being your own boss in this world unless you're a tramp, and then there's the constable. 
There are two unpardonable sins in this world success and failure.
A tactful man can pull the stinger from a bee without getting stung. 
It isn't what a man's got in the bank, but what he's got in his head, that makes him a great merchant. 
Beauty is only skin deep, but that's deep enough to satisfy any reasonable man. 
Give fools the first and women the last word. 
A lesson learned at the muzzle has the virtue of never being forgotten. 
A man's got to keep company a long time, and come early and stay late and sit close, before he can get a girl or a job worth having. 
The more I deal in it, the surer I am that human nature is all of the same critter, but that there's a heap of choice in the cuts. 
Books are all right, but dead men's brains are no good unless you mix a live one's with them. 
Colleges don't make fools, they only develop them. 