假如孩子们的活动正好和他的内在需求相配合，孩子的表现会让我们他的发展所需。

The true measure of success is not just profitability, but the positive impact we leave for future generations.

The man who is fit to work at any particular trade is unable to understand the science of that trade without the help and guidance of those who are working with him or over him.

在交易的世界里，情绪是你最大的敌人。

"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

"Words have weight, and writers must bear the responsibility of that weight."

柴油发动机可以使用植物油作为燃料，这将极大地促进使用该技术的国家的农业发展。