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The most dangerous phrase in business is 'We've always done it this way.'

A good learning algorithm should be able to handle noise and uncertainty in the data effectively.

愛是用心去欣賞；欣賞是用理智去愛。

All are gurus to us, the wicked by their evil deeds say 'do not come near me'. The good are always good, therefore all are like gurus to us.