Profit isn't a purpose, it's a result. To have purpose means the things we do are of real value to others.
The mind can be convinced, but the heart must be won.
It is better to disappoint people with the truth than to appease them with a lie.
People don't buy what you do; they buy what you stand for.
A five minute call replaces the time it takes to read and reply to the original email and read and reply to their reply... or replies. And I no longer spend 20+ minutes crafting the perfect email - no need to.
Trust emerges when we have a sense that another person or organization is driven by things other than their own self-gain.