最可持续的森林是在保持其生态完整性的同时为人们提供价值的森林。
The most sustainable forest is one that provides value to people while maintaining its ecological integrity.
The combination problem is the most difficult aspect of panpsychism.
You have to be comfortable with being uncomfortable if you want to make progress in mathematics.
选择最好的生活,因为习惯会使它愉快。