城市的穷人就像树的根：看不见，但对生存至关重要。
我们必须记住的是，我们仍然可以做任何事情。我们可以改变主意。我们可以重新开始。
Illness is the night-side of life, a more onerous citizenship. Everyone who is born holds dual citizenship, in the kingdom of the well and in the kingdom of the sick.
科学家们似乎仍未充分理解，所有地球科学都必须为揭示地球早期状态提供证据，而只有综合所有这些证据才能触及真相。
If you only do things where you know the answer in advance, your company goes away.
The context is so important. The context is not just the physical context, but also the historical and cultural context.
