The biggest mistake people make is to try to lose too much weight too fast.

The biggest mistake we made as a company was betting too much on HTML5.

The biggest mistake to me is complacency.

The biggest mistake people make in life is not trying to make a living at doing what they most enjoy.

The biggest mistake we made at WordPress.com in term of infrastructure was buying servers.

Investors should invest on what they know. The biggest mistake is to invest on what they don't know.