自然是所有化学变化得以实现的伟大实验室。

Always use stop loss orders.

To understand behavior, we must look at its purpose in the context of survival and adaptation.

In my solitude of heart I feel the sigh of this widowed evening veiled with mist and rain.

我相信掌握他人已经发现的最佳知识的纪律。

Every life is an archive.