我们必须投资于不仅能提高效率而且能减少环境影响的技术。
The solution of the problem of life is seen in the vanishing of the problem.
Liberal democracy may constitute the "end point of mankind's ideological evolution" and the "final form of human government."
The young do not know enough to be prudent, and therefore they attempt the impossible, and achieve it, generation after generation.
We are all the sum of our contradictions.
