The past is always with us, for it feeds the present.
引力波的探测为我们打开了一扇观察宇宙的新窗口。
所谓的天才是不断地承受痛楚。
妈妈必须同时喂养孩子的身体和精神,且精神上的需求更重于身体的需要。
When you invest in soil health, you're investing in the health of every living being.
学习不以学识渊博为尊贵,贵在能够所学的为正道。