服务是美好的，但只有在带着快乐、全心全意和自由的心态去做时才是如此。
To serve is beautiful, but only if it is done with joy and a whole heart and a free mind.
自然必须通过感受来体验。
人生中有许多没有答案的问题。
O amor é a única coisa que cresce a medida que se gasta.
The future of energy lies in finding the balance between traditional resources and renewable alternatives.
经常静坐思考，来收拢思想；减少饮酒色欲，来清理思想；摒除嗜好情欲，来修养思想；体味古人教训，来警戒思想；悟察至理名言，来明确思想。
最重要的思想是那些让我们以新的、更高效的方式利用现有资源的想法。
We have a mantra: don’t be evil, which is to do the best things we know how for our users, for our customers, for everyone. So I think if we were known for that, it would be a wonderful thing.
成功不在于成为最好的，而在于在努力中保持一贯和坚持。