Who said 'if you are too busy meditate for two hours'?
Isn't this notion from meditation traditions in general?
James Altucher, in his Ultimate Cheat Sheet For Reinventing Yourself:

What if I don’t have time to sit in silence [for one hour a day]?
Then sit in silence for two hours a day.


which he adapted (with an entrepreneurial slant) from a story about Mahatma Gandhi.