What is necessary to change a person is to change his awareness of himself.
Energy efficiency is the unsung hero in our quest to reduce emissions.
"Every book is a journey, and every page is a step towards discovering the unknown."
The future of medicine is not just about treating disease, but about preventing it before it starts.
医学的未来不仅仅是治疗疾病，而是在疾病开始之前预防它。
有权势的天子，也未必尊贵；穷苦的平民，也未必低贱。贵贱的分别，在于行为的美恶。