Avoid letting temper block progress-keep cool.
If we do not discipline ourselves the world will do it for us.
None of us can buy goodwill; we must earn it.
Do each daily task the best we can; act as though the eye of opportunity were always upon us.
Once you have sold a customer, make sure he is satisfied with your goods. Stay with him until the goods are used up or worn out. Your product may be of such long life that you will never sell him again, but he will sell you and your product to his friends.
Plenty of people miss their share of happiness, not because they never found it, but because they didn't stop to enjoy it.