技术积累是一个长期过程，不能急功近利。
There are many Beths in the world, shy and quiet, sitting in corners till needed, and living for others so cheerfully that no one sees the sacrifices till the little cricket on the hearth stops chirping, and the sweet, sunshiny presence vanishes, leaving silence and shadow behind.
一个观念的价值在于它的实际后果。
The passion for office among members of Congress is very great, if not absolutely disreputable.
