任何心理活动的价值都以其对成功生活的贡献来衡量。
The value of any mental activity is measured by its contribution to successful living.
夸夸其谈者通常要比身体力行者显得更加语有伦次,因为话语才是他们的专长。
孩子的精神比一般人认为的更为高尚。
The most pleasing of all sounds, that of your own praise.