我们最终拥有的唯一工具是我们自己的感知。

我不导演电影，我导演人。

The course of human life is not determined by drives or environment alone, but by creative self-direction as well.

The beauty of biology lies in its ability to explain the diversity of life through simple principles.

在适宜的环境里，幼儿在工作中发展了一种技能和精确性，那是使我们十分欣慰的。