Never say never.

A stitch in time saves nine.

Lack of planning on your part, does not constitiute an emergency on my part.

Don't burn your bridges.

Concern is admirable, worry is a waste of time.

There will always be those who have more than you and those that have less than you. Be happy with what you have.

The grass is not greener but meaner.

You won't find your soul mate when you're looking.

A good teacher is a good student.

Waste not, want not.