"Children deserve art that challenges them as much as it delights them."
热机的动力与实现它的工质无关;其量仅由最终实现热量转移的物体之间的温度决定。
我不在乎别人怎么看我,我在乎我怎么看自己。
All the choir of heaven and furniture of earth - in a word, all those bodies which compose the frame of the world - have not any subsistence without a mind.