The only limits you have are the ones you set for yourself.

诗歌是灵魂的语言，灵魂用图像说话。

We think not in isolated ideas, but in continuous streams of purpose-directed activity.

The knowledge of the past stays with us to spur us on to new and better things.

最好的技术是能解决实际问题的技术。

我们不是通过经验学习，而是通过对经验的反思学习。