The Strength of the Strong

一颗喜悦的心，就是最好的良药。
Yī kē xǐyuè de xīn, jiùshì zuì hǎo de liángyào.
A cheerful heart is a good medicine.

Muhammad Ali plays and jokes with Roland Ward, 8-year-old, a patient at the Crippled Children’s Hospital of New Orleans, Louisiana, United States, on Tuesday, August 1, 1978. Photo: AP.