The human heart is the most deceitful of all things, and desperately wicked. Who really knows how bad it is?
Ignore what others may be thinking of you， because they aren’t.
The challenge is not just to collect data, but to make sense of it in ways that improve lives.
The man who removes a mountain begins by carrying away small stones.
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
