New Revised Standard Version
Without warning he shall come into the richest parts of the province and do what none of his predecessors had ever done, lavishing plunder, spoil, and wealth on them. He shall devise plans against strongholds, but only for a time.

Contemporary English Version
Without warning, he will successfully invade a wealthy province, which is something his ancestors never did. Then he will divide among his followers all of its treasures and property. But none of this will last very long.

New American Bible
By stealth he shall enter prosperous provinces and do that which his fathers or grandfathers never did; he shall distribute spoil, plunder, and riches among them and devise plots against their strongholds.

Douay-Rheims Bible
And he shall enter into rich and plentiful cities: and he shall do that which his fathers never did, nor his fathers' fathers: he shall scatter their spoils, and their prey, and their riches, and shall forecast devices against the best fenced places: and this until a time.

And he shall enter into rich and plentiful cities: and he shall do that which his fathers never did, nor his fathers' fathers: he shall scatter their spoils, and their prey, and their riches, and shall forecast devices against the best fenced places: and this until a time.

peaceably even upon the fattest.

Judges 9:4 And they gave him seventy weight of silver out of the temple of Baalberith: wherewith he hired to himself men that were needy, and vagabonds, and they followed him.

Proverbs 17:8 The expectation of him that expecteth is a most acceptable jewel: whithersoever he turneth himself, he understandeth wisely.

Proverbs 19:6 Many honour the person of him that is mighty, and are friends of him that giveth gifts.

forecast his devices.

Daniel 7:25 And he shall speak words against the High One, and shall crush the saints of the most High: and he shall think himself able to change times and laws, and they shall be delivered into his hand until a time, and times, and half a time.

Proverbs 23:7 Because, like a soothsayer, and diviner, he thinketh that which he knoweth not. Eat and drink, will he say to thee: and his mind is not with thee.

Ezekiel 38:10 Thus saith the Lord God: In that day projects shall enter into thy heart, and thou shalt conceive a mischievous design.

Matthew 9:4 And Jesus seeing their thoughts, said: Why do you think evil in your hearts?