过去是一个影子，总是跟随，但从未追上。
The past is a shadow, always following, but never catching up.
The greatest investment risk is not the volatility of prices, but whether you will suffer a permanent loss of capital.
人在幼年时，精神专注敏锐，成年后思想容易分散，因此教育要趁早，不可错过时机。