One Man's Constant Is Another

One Man's Constant Is Another Man's Variable.

Every Program Has (at Least) Two Purposes: The One For Which It Was Written And Another For Which It Wasn't.

Learning French Is Trivial: The Word For Horse Is Cheval, And Everything Else Follows In The Same Way.

If Your Computer Speaks English, It Was Probably Made In Japan.

One Can't Proceed From The Informal To The Formal By Formal Means.