Even though a parameter's value can change, it is treated as a constant, not as a variable.

Source: Tatoeba

International problems must be solved by diplomacy, not war.

Source: Tatoeba

One learns grammar from language, not language from grammar.

Source: Tatoeba

Today, women's only consideration in marriage is probably if you love him or not, if he loves you or not, whether he is sincere and heartfelt towards you, whether there will be pressure with him, whether there will be happiness, and not what his possessions are!

Source: Tatoeba