心理活动是有机体与世界互动的方式。
Mental activity is the organism's way of engaging with the world.
我相信要照顾好自己，保持均衡的饮食，坚持严格的锻炼习惯。
我做音乐不是为了名声，而是出于热爱。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
The beauty of mathematics lies in its ability to describe the fundamental laws of nature with precision and elegance.
自由市场体系的伟大美德在于它不在乎人们的肤色；不在乎他们的宗教信仰；只在乎他们是否能生产出你想买的东西。