'Add' in the Bible

For length of days, and long life, and peace, shall they add to thee.

Counsel a wise man, and he will be wiser still; teach a righteous man, and he will add to his learning.

The heart of the wise will make his mouth judicious, and upon his lips, it will add persuasiveness.

A man of great wrath is bearing punishment, For, if thou dost deliver, yet again thou dost add.

Add thou not unto his words, lest he reprove thee, and thou be found a liar.