The past is never truly past until it has been fully understood.

The key to successful investing is to have a strong understanding of the fundamentals, a disciplined approach, a clear understanding of the market, a long-term perspective, and a clear understanding of the risks and rewards.

In a field by the river my love and I did stand,And on my leaning shoulder she laid her snow-white hand.She bid me take life easy, as the grass grows on the weirs;But I was young and foolish, and now am full of tears.

一只眼睛的人可以用来看水平仪，有毒的石头可以用来治疗痈疽。