An incalculable amount of tension and useless effort would be spared in this world if we realized that cooperation and love can never be won by force.
如果我们能意识到武力永远无法赢得合作与爱，这个世界就可以避免无数的紧张关系，不用做那么多的无用功。
数学的本质在于它的自由。
现代国家的特点是其能够以前现代国家无法做到的方式集中和使用权力。
If you want to go fast, go alone. If you want to go far, go together.
The cosmos is also within us, we're made of star-stuff. We are a way for the cosmos, to know itself.
宇宙也在我们体内，我们都是星尘构成的。我们是宇宙了解其自身的途径。
The true value of a forest is measured not just in board feet, but in biodiversity and ecosystem health.
We must balance economic growth with environmental stewardship.
