Excellence is not an act, but a habit.

"Every book is a journey, and every journey changes you."

Sustainability isn’t a trend—it’s a responsibility we owe to future generations.

Every tree planted today is an investment in tomorrow’s world.

The first lesson of economics is scarcity: There is never enough of anything to satisfy all those who want it. The first lesson of politics is to disregard the first lesson of economics.

The teacher who is indeed wise does not bid you to enter the house of his wisdom but rather leads you to the threshold of your own mind.

唯一重要的是你做了什么，而不是你想什么、说什么或感觉什么。