长期来看，风险与回报是相关的。但在短期内，这种关系常常是反常的。

The real moral test of a society is how it treats those who are at the dawn of life, the children; those who are in the twilight of life, the aged; and those who are in the shadow of life, the sick, the needy and the handicapped.

我不活在过去。我不活在未来。我活在现在。

智者和愚人都没有害，最危险的倒是智愚参半。