这句话杨在不同场合说过多次，每次表述时可能有个别字的差异。

If you're not stubborn, you'll give up on experiments too soon. And if you're not flexible, you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve.

音乐是我的生活，我的生活是音乐。

更轻意味着更少的浪费。