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The total amount of suffering per year in the natural world is beyond all decent contemplation.

Books say: She did this because. Life says: She did this. Books are where things are explained to you; life is where things aren't.

It’s not the strongest of the species that survive, nor the most intelligent, but the one most responsive to change.

The climate system is extraordinarily complex, and our understanding of it is still evolving.

創新不是一蹴而就的，需要持續的投入和耐心。

跟一個人相處了兩個星期，不可能就此了解他究竟是怎樣一個人。不過，要是我們不去嘗試嘗試，別人可少不了要嘗試的。