At 94 years old, Buffett is still going strong, but he wrote in a surprise letter to Berkshire Hathaway shareholders on Monday: “Father time always wins … To date, I’ve been very lucky, but, before long, he will get around to me.”

Tomorrow’s decisions are likely to be better made by three live and well-directed brains than by a dead hand,” wrote Buffett, whose lifetime giving of over $60 billion makes him likely the most prolific philanthropist ever.

I’ve never wished to create a dynasty or pursue any plan that extended beyond the children,” Buffett wrote in a lengthy letter Monday.

Billionaire investor Warren Buffett thinks he’s pretty lucky — and not just because of his whopping $150 billion net worth.