Let your light so shine before men, that they may see your good works, and glorify your Father which is in heaven.
But above all things, my brethren, swear not, neither by heaven, neither by the earth, neither by any other oath: but let your yea be yea; and your nay, nay; lest ye fall into condemnation.James 5:12 KJV
Think not that I am come to destroy the law, or the prophets: I am not come to destroy, but to fulfil.Matthew 5:17 KJV
Neither do men light a candle, and put it under a bushel, but on a candlestick; and it giveth light unto all that are in the house.Matthew 5:15 KJV