The mind's primary task is to organize experience for action.
Writing is groping in the dark, hoping to find a light.
We must balance the need for energy today with the imperative of protecting the planet for tomorrow.
The past is not dead; it is not even past.
地球的历史镌刻在它的岩石中。
让这成为一个准则:永远不要给孩子一本你自己不愿意读的书。
The greatest thing in life is to keep your mind young.