The next green revolution must be both productive and environmentally responsible.

Every stroke, every breath, every moment is a step closer to your goal.

Your attitude, not your aptitude, will determine your altitude.

"A book is a gift you can open again and again."

赏析：指出知道满足的人不会被利益所累，真正安闲自得的人不会因为失去而恐惧，注重内心修养的人不会因为没有地位而惭愧。

城市的穷人就像树的根；看不见，但对它的生命至关重要。