A world without forests is a world without breath.
The Moving Finger writes; and, having writ, Moves on: nor all thy Piety nor Wit Shall lure it back to cancel half a Line, Nor all thy Tears wash out a Word of it.
Purposive behavior in animals and men.
The biggest mistake you can make is believing you know everything. Stay humble and keep learning.
Believe you can and you're halfway there.