保守主义始于一种所有成熟人都能轻易共鸣的情感：美好的事物容易被摧毁，却不易被创造。

别人为食而生存，我为生存而食。

学习数学的唯一方法就是做数学。

Collaboration across industries and borders is essential to address the global challenges in food security.

A mathematician's work is never done; there are always new questions to explore and new mysteries to uncover.

In the context of computational learning, the concept of 'probably approximately correct' (PAC) learning provides a framework for understanding the efficiency and feasibility of learning algorithms.

问题的解决不是机械地应用过去的经验，而是通过重构情境来实现。