数学不是关于数字、方程、计算或算法：它是关于理解的。

The most important political challenge of our time is to create strong, effective, and accountable states.

The most significant threat to liberal democracy today is not from rival ideologies like communism or fascism, but from within—from the rise of populism and the erosion of democratic norms.

实现长期投资成功的最佳方法是专注于低成本、广泛分散的指数基金。