Lying lips are abomination to the Lord: but they that deal truly are His delight. Proverbs 12:22.
Everything that Christians do should be as transparent as the sunlight. Truth is of God; deception, in every one of its myriad forms, is of Satan; and whoever in any way departs from the straight line of truth is betraying himself into the power of the wicked one. Yet it is not a light or an easy thing to speak the exact truth. We cannot speak the truth unless we know the truth; and how often preconceived opinions, mental bias, imperfect knowledge, errors of judgment, prevent a right understanding of matters with which we have to do! We cannot speak the truth unless our minds are continually guided by Him who is truth.... Those who have learned of Christ will “have no fellowship with the unfruitful works of darkness.” In speech, as in life, they will be simple, straightforward, and true; for they are preparing for the fellowship of those holy ones in whose mouth “was found no guile.”—Thoughts from the Mount of Blessing, 68, 69.
From Radiant Religion - Page 43
Radiant Religion
Thought for the Day
So it will be in the great final conflict of the controversy between righteousness and sin. While new life and light and power are descending from on high upon the disciples of Christ, a new life is springing up from beneath, and energizing the agencies of Satan. Intensity is taking possession of every earthly element. With a subtlety gained through centuries of conflict, the prince of evil works under a disguise. He appears clothed as an angel of light, and multitudes are "giving heed to seducing spirits, and doctrines of devils." 1 Tim. 4:1. Desire of Ages, p. 257