Contradiction with Matthew 6:34
Contradicts Genesis 43:4 by suggesting not to worry about tomorrow, while Genesis 43:4 implies preparation for future actions.
Matthew 6:34: Take therefore no thought for the morrow: for the morrow shall take thought for the things of itself. Sufficient unto the day [is] the evil thereof.
Contradiction with Proverbs 27:1
Imply uncertainty in future planning, contradicting the confidence in future plans in Genesis 43:4.
Proverbs 27:1: Boast not thyself of to morrow; for thou knowest not what a day may bring forth. [to...: Heb. to morrow day]
Contradiction with James 4:13-14
Warns against boastful future plans, in contrast to the decisive plan of going if Benjamin is allowed in Genesis 43:4.
James 4:13-14: Go to now, ye that say, To day or to morrow we will go into such a city, and continue there a year, and buy and sell, and get gain: