"The human condition is one of perpetual dissatisfaction; we are always searching for something more."
没有欢乐的生活就像没有驿站的漫长旅程。
抓紧时间,孩子们,让你的生命不同寻常。
无论多么复杂或精细,所有行为都可以用刺激和反应来解释。
The more difficult the victory, the greater the happiness in winning.