爱情中的欢乐和痛苦是交替出现的。

始终跟随趋势交易。

"The past is a foreign country; they do things differently there."

改变是生活的本质。愿意放弃现在的你，才能成为可能的你。

We must be free not because we claim freedom, but because we practice it.

想要得到10倍好的结果，应该通过表扬好的行为而不是惩罚坏的行为。这在儿童和动物身上尤其明显。

The most important object of both the workmen and the management should be the training and development of each individual in the establishment, so that he can do (at his fastest pace and with the maximum of efficiency) the highest class of work for which his natural abilities fit him.