Contradiction with Ecclesiastes 1:18
Contradicts by suggesting increase in knowledge brings sorrow, unlike the wisdom Psalms 90:12 seeks for wise living.
Ecclesiastes 1:18: For in much wisdom [is] much grief: and he that increaseth knowledge increaseth sorrow.
Contradiction with Ecclesiastes 8:7
Contradicts by stating that no one knows the future, conflicting with the wisdom in numbering days.
Ecclesiastes 8:7: For he knoweth not that which shall be: for who can tell him when it shall be? [when...: or, how it shall be?]
Contradiction with Matthew 6:34
Encourages not to worry about tomorrow, which can contradict planning life through wisdom as taught in Psalms 90:12.
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 James 4:13-14
Warns against making plans for the future, in contrast to seeking wisdom in the management of days.
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:
Contradiction with 1 Corinthians 3:18
Suggests becoming a "fool" to be wise, opposing the straightforward wisdom-seeking in numbering days.
1 Corinthians 3:18: Let no man deceive himself. If any man among you seemeth to be wise in this world, let him become a fool, that he may be wise.