The hardest thing in life is to know which bridge to cross and which to burn.

"One of the most important challenges in machine learning is to develop algorithms that can learn from small amounts of data."

我会拼命地打好每一场球，就如那是我最后的一场！

Variant: All human actions have one or more of these seven causes: chance, nature, compulsions, habit, reason, passion and desire.