The concept of probably approximately correct (PAC) learning has been foundational in computational learning theory.
我们生来孤独,活着孤独,死去孤独。尽管有那些浪漫杂志的渲染,终有一天我们会回顾一生,发现尽管有人相伴,我们始终孤独。
The only way to do great work is to love what you do.