The true investor scarcely ever is forced to sell his shares, and at all other times he is free to disregard the current price quotation.
The stage is a magical place where anything can happen.
医学的艺术在于在自然治愈疾病时逗乐病人。
创新是企业发展的永恒动力,只有不断突破自我,才能在激烈的市场竞争中立于不败之地。
习惯的强度是其被强化次数的函数。