Just some verses that come to mind:
Matthew 18:6 But whoso shall offend one of these little ones which believe in me, it were better for him that a millstone were hanged about his neck, and that he were drowned in the depth of the sea.
7 Woe unto the world because of offences! for it must needs be that offences come; but woe to that man by whom the offence cometh!
1 Corinthians 10:24 32 Give none offence [NKJV: no offense], neither to the Jews, nor to the Gentiles, nor to the church of God:
2 Corinthians 6:1 We then, as workers together with him, beseech you also that ye receive not the grace of God in vain.
2 (For he saith, I have heard thee in a time accepted, and in the day of salvation have I succoured thee: behold, now is the accepted time; behold, now is the day of salvation.)
3 Giving no offence in any thing, that the ministry be not blamed:
4 But in all things approving ourselves as the ministers of God, in much patience, in afflictions, in necessities, in distresses,
5 In stripes, in imprisonments, in tumults, in labours, in watchings, in fastings;
6 By pureness, by knowledge, by longsuffering, by kindness, by the Holy Ghost, by love unfeigned,
7 By the word of truth, by the power of God, by the armour of righteousness on the right hand and on the left,
8 By honour and dishonour, by evil report and good report: as deceivers, and yet true;
9 As unknown, and yet well known; as dying, and, behold, we live; as chastened, and not killed;
10 As sorrowful, yet alway rejoicing; as poor, yet making many rich; as having nothing, and yet possessing all things.
James 2:8 If ye fulfil the royal law according to the scripture, Thou shalt love thy neighbour as thyself, ye do well:
1 John 2:9 He that saith he is in the light, and hateth his brother, is in darkness even until now.
10 He that loveth his brother abideth in the light, and there is none occasion of stumbling in him.
Matthew 19:21 - Jesus said unto him, If thou wilt be perfect, go and sell that thou hast, and give to the poor, and thou shalt have treasure in heaven: and come and follow me.
Luke 6:20 - And he lifted up his eyes on his disciples, and said, Blessed be ye poor: for yours is the kingdom of God.
Luke 14:13 - But when thou makest a feast, call the poor, the maimed, the lame, the blind:
1 Corinthians 13:3 - And though I bestow all my goods to feed the poor, and though I give my body to be burned, and have not charity, it profiteth me nothing.
15 I know thy works, that thou art neither cold nor hot: I would thou wert cold or hot. 16 So then because thou art lukewarm, and neither cold nor hot, I will spue thee out of my mouth. 17 Because thou sayest, I am rich, and increased with goods, and have need of nothing; and knowest not that thou art wretched, and miserable, and poor, and blind, and naked: 18 I counsel thee to buy of me gold tried in the fire, that thou mayest be rich; and white raiment, that thou mayest be clothed, and that the shame of thy nakedness do not appear; and anoint thine eyes with eyesalve, that thou mayest see. 19 As many as I love, I rebuke and chasten: be zealous therefore, and repent. 20 Behold, I stand at the door, and knock: if any man hear
