There are many kinds of pleasant words, some of which are not like 'honey,' but like poison hid in jam. Insincere compliments, flatteries when rebukes would be fitting, and all the brood of civil conventionalities, are not the words meant here. Truly pleasant ones are those which come from true Wisdom, and may often have a surface of bitterness like the prophet's roll, but have a core of sweetness. It is a great thing to be able to speak necessary and unwelcome truths with lips into which grace is poured. A spoonful of honey catches more flies than a hogshead of vinegar.
Verse 25 has no connection with its context. It teaches two solemn truths, according to the possible double meaning of 'right.' If that word means ethically right, then the saying sets forth the terrible possibility of conscience being wrongly instructed, and sanctioning gross sin. If it means only _straight_, or level--that is, successful and easy--the saying enforces the not less solemn truth that sin deceives as to its results, and that the path of wrong-doing, which is flowery and smooth at first, grows rapidly thorny, and goes fast downhill, and ends at last in a _cul-de-sac,_ of which death is the only outlet. We are not to trust our own consciences, except as enlightened by God's Word. We are not to listen to sin's lies, but to fix it well in our minds that there is only one way which leads to life and peace, the narrow way of faith and obedience.
The Revised Version's rendering of verse 26 gives the right idea. 'The appetite,' or hunger, 'of the labourer labours for him' (that is, the need of food is the mainspring of work), and it lightens the work to which it impels. So hunger is a blessing. That is true in regard to the body. The manifold material industries of men are, at bottom, prompted by the need to earn something to eat. The craving which drives to such results is a thing to be thankful for. It is better to live where toil is needful to sustain life than in lazy lands where an hour's work will provide food for a week. But the saying reaches to spiritual desires, and anticipates the beatitude on those who 'hunger and thirst after righteousness.' Happy they who feel that craving, and are driven by it to the labour for the bread which comes down from heaven! 'This is the work of God, that ye believe on Him whom He hath sent.'
The next three proverbs (vs. 27-29) give three pictures of different types of bad men. First, we have 'the worthless man' (Rev. Ver.), literally 'a man of Belial,' which last word probably means worthlessness. His work is 'digging evil'; his words are like scorching fire. To dig evil seems to have a wider sense than has digging a pit for others (Ps. vii. 15), which is usually taken as a parallel. The man is not merely malicious toward others, but his whole activity goes to further evil. It is the material in which he delights to work. What mistaken spade husbandry it is to spend labour on such a soil! What can it grow but thistles and poisonous plants? His words are as bad as his deeds. No honey drops from _his_ lips, but scorching fire, which burns up not only reputations but tries to consume all that is good. As James says, such a tongue is 'set on fire of hell.' The picture is that of a man bad through and through. But there may be indefinitely close approximations to it, and no man can say, 'Thus far will I go in evil ways, and no further.'
The second picture is of a more specific kind. The 'froward man' here seems to be the same as the slanderer in the next clause. He utters perverse things, and so soweth strife and parts friends. There are people whose mouths are as full of malicious whispers as a sower's basket is of seed, and who have a base delight in flinging them broadcast. Sometimes they do not think of what the harvest will be, but often they chuckle to see it springing in the mistrust and alienation of former friends. A loose tongue often does as much harm as a bitter one, and delight in dwelling on people's faults is not innocent because the tattler did not think of the mischief he was setting agoing.