Sustainability is not an option; it's a responsibility we owe to future generations.
可持续性不是一种选择;而是我们对后代的责任。
The choice for mankind lies between freedom and happiness and for the great bulk of mankind, happiness is better.
知识的最大敌人不是无知,而是知识的幻觉。
The greatest happiness of the thinking man is to have fathomed the fathomable, and to quietly revere the unfathomable.
The universe is not outside of you. Look inside yourself; everything that you want, you already are.
宇宙不在你之外。审视你自己;你所渴望的一切,你早已拥有。
The only way to do great work is to love what you do.