A function is a rule of correspondence by which when anything is given (as argument) another thing (the value of the function for that argument) may be obtained.
函数是一种对应规则，通过它当给定任何东西（作为参数）时，可以获得另一个东西（该参数的函数值）。
资本主义的邪恶在于不公平的幸福分配。涉汇煮意的美德在于公平享受痛苦。
生命的历史是生存的历史。
The best way to find out if you can trust somebody is to trust them.