Four great quotes and proverbs

1.No one travelling on a business trip would be missed if he failed to arrive.-Thorstein Veblen
2.Only when the last tree has died and the last river been poisoned and the last fish been caught will we realize we cannot eat money.-Old,but relevant Cree Indian proverb
3.There are no passengers on Spaceship Earth.We are all crew.-Marshall McLuhan
4.It isn't what people think that is important,but the reason they think what they think.-Eugene Ionesco