Every tree we plant today is a legacy for tomorrow.
The 40% solution: The capacity to increase happiness is within our personal control.
The very important thing you should have is patience.
可持续性不仅仅是植树;而是在正确的地方种植正确的树木,并确保它们世代繁茂。
The great use of life is to spend it for something that will outlast it.