Our frustration is greater when we have much and want more than when we have nothing and want some. We are less dissatisfied when we lack many things than when we seem to lack but one thing.

Success is not about the money, it's about the love for what you do.

认证体系是负责任林业的语法，它们为我们良好的意愿提供了结构。

We Irish are too poetical to be poets; we are a nation of brilliant failures, but we are the greatest talkers since the Greeks.

解释：大部分蔗都是甘甜的，而竹蔗却是苦的，说明了蔗类味道的多样性。

I'm a lover of life. I love life.

Human beings, viewed as behaving systems, are quite simple. The apparent complexity of our behavior over time is largely a reflection of the complexity of the environment in which we find ourselves.