All things, including the grass and trees, are soft and pliable in life; dry and brittle in death.
— Lao Tzu

All generalizations are false, including this one.
Mark Twain including quote

The glue that holds all relationships together -- including the relationship between the leader and the led is trust, and trust is based on integrity.
— Brian Tracy

Nobody understands anyone 18, including those who are 18.
— Jim Bishop

Optimism - the doctrine or belief that everything is beautiful, including what is ugly.
— Ambrose Bierce