We are all products of an unbroken lineage.
Mathematics is not about numbers, equations, computations, or algorithms: it is about understanding.
數(shù)學(xué)不是關(guān)于數(shù)字、方程、計算或算法的：它是關(guān)于理解的。
生活中唯一的限制是你自己設(shè)定的。
The Liskov Substitution Principle is a fundamental concept in object-oriented programming, ensuring that derived classes can be used in place of their base classes without altering the correctness of the program.