We may not have his scale, but we can emulate Buffett’s focus, says Shreedhar Kanetkar

Both of you,” Warren Buffett wrote to Bill and Melinda Gates on 26 June 2006, “have applied truly unusual intelligence, energy and heart to improving the lives of millions of fellow humans who have not been as lucky as the three of us.” Buffett and Gates are old friends, but this encomium owes its origins...