有时候最简单的旋律最有力量。
Sometimes the simplest melodies are the most powerful.
一个人若不付出一些无知的代价,就永远不会幸福。
Sustainability isn't an option—it's a necessity for the future of dairy farming.
Success is not final, failure is not fatal: it is the courage to continue that counts.
心理学是精神生活的科学。
The truth is at once simpler and more complicated.