For what it's worth - he has been this transparent about mistakes since the very beginning of taking on Berkshire management in the late 1960s (when he was in h

For what it's worth - he has been this transparent about mistakes since the very beginning of taking on Berkshire management in the late 1960s (when he was in his 30s) - He makes fairly prudent predictions and plans in each yearly shareholder letter, and is quite fairly critical of himself when those predictions do not pan out.