宪法约束是防止强者剥削弱者的规则。
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.
Sustainability isn’t a trend—it’s the future. Those who ignore it will be left behind.
可持续性不是一种选择；它是我们星球未来的必需品。
不要看时钟；做时钟做的事。继续前进。
The pursuit of happiness is a never-ending journey.
心理学的方法必须像自然科学一样精确。