数学的力量在于它的抽象性，使我们能够看到不立即显现的模式和联系。
The power of mathematics is in its abstraction, allowing us to see patterns and connections that are not immediately obvious.
我不是一位雅典人或希腊人，而是一位世界的公民。
Psychology must study the adaptive functions of thought and behavior.
如果你不能改变它，意见有什么用？
La historia de un país no se puede entender sin conocer su literatura.
过去半个世纪最重要的政治发展是自由民主在世界范围内的传播。
美国是一个巨大的锅炉。只要下面点着火，它会产生无限的能量。
Short-term gains should never come at the expense of long-term sustainability.
Markets are constantly in a state of uncertainty and flux and money is made by discounting the obvious and betting on the unexpected.
