"She told me she wanted to be a doctor - an animal doctor, to be precise - when she was about six years old. She really loved dogs when she was a kid."

- Mr Woo on Mr Lee's daughter, Dr Lee Wei Ling, 60, former director of National Neuroscience Institute

"The kids led a structured life. When it was time to study, they would study. When it was time to play, they would play. They used to play at the Istana grounds every evening. Once, I drove the kids and their mother (Madam Kwa Geok Choo) to Cameron Highlands for a vacation."

- Mr Woo on the childhood of Prime Minister Lee Hsien Loong and his siblings

"Mr Lee Kuan Yew and his wife were a very loving couple. On weekends, the family would go to Madam Kwa's family home at Pasir Panjang, and they would go swimming."

- Mr Woo on Mr Lee Kuan Yew and the late Madam Kwa Geok Choo