Sustainability isn't an option—it's our responsibility to future generations.
量子场论是粒子物理学定律的表述语言。
死亡有它的启示：巨大的悲伤会打开心扉，也会打开头脑。
The wedding march always reminds me of the music played when soldiers go into battle.
Non-violence is the greatest force at the disposal of mankind.