at rest.
2. The birds peck the berries the corn, and fly away to the groves they sit in seeming happiness the branches, and waste their in tuning one unvaried series of sounds.
1. 我也像它一样因需求匮乏而痛苦，但不像它因需求丰裕而满足。
2. 但昨天还能使我愉悦的乐章，今天却令我厌烦，明天变得更令人厌倦。
3. 在快乐之前，他有一些有别于感觉的渴望，必须先得到满足。
1. “What,” said he, “makes the difference between man and all the rest of the animal creation?”
make difference：有所不同；造成差别
2. I can discover within me no power of perception which is not glutted with its proper pleasure, yet I do not feel myself delighted.
glut with：吃得太饱；喝得过多；使充斥