For many people, the secret of a satisfying old age can be combination of an active mind in a sound body.Take the case of my good friend Chow Khim Chew who is in his early fifties.

• 四十多岁是人生的中途，五十岁是下半生的开始，精神及体力已大不如前，然而智慧及财力则有过之而无不及。