Couples were urged to undergo sterilisation after their second child. Over time the mosques did away with loudspeakers. With people living in high-rise apartments and in close proximity the call of prayer or azan amplified through loudspeakers at mosques during the early dawn or in the evening had to be modified.
He is also widely recognized as the founding father of modern Singapore. He held the advisory post of Minister Mentor created by his son Lee Hsien Loong when the latter became the nation's third prime minister in August 2004.