Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.
数学不是沿着一条清理得很好的高速公路小心行进,而是一次进入陌生荒野的旅程,探险者常常会迷路。
卖出股票的最佳时机几乎永远不会到来。
"The greatest glory in living lies not in never falling, but in rising every time we fall."