Putrajaya, Malaysia – When Malaysia’s former Prime Minister Mahathir Mohamad turned 100 earlier this year, he marked his birthday by following a lifelong routine of discipline: he ate little, worked a lot, and did not succumb to the lure of rest.

“The main thing is that I work all the time. I don’t rest myself,” Mahathir told Al Jazeera.

“I am always using my mind and body. Keep your mind and body active, then you live longer,” he said.

From a desk at his office in Putrajaya city, south of the capital, Kuala Lumpur, he spent his centenary like most days: penning his thoughts on the Malaysian economy, the country’s political situation and unfolding world events, particularly the situation in Gaza.

Sitting down with Al Jazeera for an interview after recovering from a spell of exhaustion

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