Of 94 children screened last spring, seven had undiagnosed heart disease and two needed surgery.

VOA: standard.2009.12.12

What is the heart but a spring, ?" or reason but a means of calculating pleasures and pains."

除了跳动，心脏又为何物，除了感觉愉快和痛苦，人为什么而活“

耶鲁公开课 - 政治哲学导论课程节选