Stop selling. Start helping.
Failure doesn't mean you are a failure... it just means you haven't succeeded yet. Failure is a detour, not a dead-end street.
A plan is always successful if the plan is good.
You need a plan to build a house. To build a life, it is even more important to have a plan or goal.
If you aim at nothing, you will hit it every time.
It is nobler to love the person next to you than to love mankind in general.