People who learn to control inner experience will be able to determine the quality of their lives, which is as close as any of us can come to being happy.
Look at a day when you are supremely satisfied at the end. It's not a day when you lounge around doing nothing; it's a day you've had everything to do and you've done it.
林业技术应该服务于可持续性,而不仅仅是效率。