A truth; “A” as in apple. A truth, not the truth, a truth,it is a period. It is not an exclamation mark(!), it is not a question mark(?), it is not a comma(,), it is not a semicolon(;), and it is not a colon(:), it is a period, a truth. Whenever you can reach a conclusion, a final no where else to go conclusion, with a period,it is a truth.