"The truth is rarely pure and never simple."
真相很少是纯粹的，也从不简单。
A good learning algorithm should be able to handle noise and uncertainty in the data effectively.
A new scientific truth does not triumph by convincing its opponents and making them see the light, but rather because its opponents eventually die, and a new generation grows up that is familiar with it.
你必须准备好受苦并享受这种痛苦。