先验与后验的区别是认识论的，而非形而上学的。

The truth is, the past is all we have. We can't change it, but we can learn from it.

To be natural is such a very difficult pose to keep.

Art is contemplation. It is the pleasure of the mind which searches into nature and which there divines the spirit of which nature herself is animated.

The future of manufacturing lies in smart technology and skilled craftsmanship working together.

人は、自分が思っている以上に、他人に影響を与えている。