The Nigerian leader is receiving medical treatment in Saudi Arabia for a heart condition.

VOA: standard.2009.12.21

He assumed that such a course would lead to progress and the general improvement of the human condition, and it was that sort of thinking that lay at the heart of the scientific revolution and remains the faith on which modern science and technology rest.

他认为这将会引领进步,全面提升人类的生存状况,正是这个学说成为了,科技革命的核心并为现代科学技术,的发展奠定了良好的基础

耶鲁公开课 - 古希腊历史简介课程节选

He has also received treatment for a heart condition.

VOA: standard.2009.09.21

He had suffered his first heart attack, even though he seemed in excellent physical condition.

VOA: special.2010.02.07