Out of my own great woe I make my little songs.

投资者和投机者之间最现实的区别在于他们对股市波动的态度。

长期来看，风险与收益相关，但短期内未必如此。

Reinforcement is the central factor in the acquisition of new behavior patterns.

"Reading is an act of empathy."

爱是生命的意义。