Let no man despise your youth; but be an example to those who believe, in word, in your way of life, in love, in spirit, in faith, and in purity.
In spirit — εν πνευματι. In the manner and disposition in which thou dost all things. How often is a holy or charitable work done in an unholy, uncharitable, and peevish spirit! To the doer, such work is unfruitful.