The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.

生物圈是一种具有宇宙特征的行星现象。

我们都在阴沟里，但仍有人仰望星空。

最大的风险是不冒险。

True leadership means making tough decisions with clarity and compassion.

投资者应关注长期，不要被短期市场波动所左右。