Sustainability isn't a choice—it's our responsibility to future generations.
He is unworthy to live who lives only for himself.
The most important thing is to be true to yourself.
I constantly see people rise in life who are not the smartest, sometimes not even the most diligent, but they are learning machines. They go to bed every night a little wiser than they were when they got up.
Laugh, and the world laughs with you; weep, and you weep alone.