环境管理不是可选的——这是我们对后代的责任。
经验的直接内容是心理学必须考虑的唯一事实。
What we have to remember is that we can still do anything. We can change our minds. We can start over.
Sometimes, the hardest battles are fought within the confines of our own minds.
The work of art is the result of a struggle between the artist and his material.
In the quantum world, observing something changes it. This is not a limitation of our technology, but a fundamental property of nature.