Contradiction with Matthew 5:44
Mark 11:21 describes a curse on the fig tree, whereas Matthew 5:44 advises to bless and love, including enemies, not curse.
Matthew 5:44: But I say unto you, Love your enemies, bless them that curse you, do good to them that hate you, and pray for them which despitefully use you, and persecute you;
Contradiction with Ezekiel 18:32
Mark 11:21 speaks of destruction, while Ezekiel 18:32 emphasizes that God takes no pleasure in the death of anyone and desires repentance for life.
Ezekiel 18:32: For I have no pleasure in the death of him that dieth, saith the Lord GOD: wherefore turn [yourselves], and live ye. [yourselves: or, others]
Contradiction with Galatians 5:22-23
Mark 11:21 involves an act of destruction, whereas Galatians 5:22-23 promotes the fruit of the Spirit, which includes gentleness and self-control.
Galatians 5:22-23: But the fruit of the Spirit is love, joy, peace, longsuffering, gentleness, goodness, faith,
Contradiction with Romans 12:14
Mark 11:21 involves cursing the fig tree, which contradicts with Romans 12:14, where believers are instructed to bless, not curse those who persecute them.
Romans 12:14: Bless them which persecute you: bless, and curse not.
Contradiction with Luke 6:35
Mark 11:21 is about the cursing of a tree, whereas Luke 6:35 speaks of loving enemies and doing good, showcasing mercy despite circumstances.
Luke 6:35: But love ye your enemies, and do good, and lend, hoping for nothing again; and your reward shall be great, and ye shall be the children of the Highest: for he is kind unto the unthankful and [to] the evil.
Paradox #1
The contradiction or conflict in Mark 11:21 could be seen in how it portrays Jesus causing a fig tree to wither because it doesn't have fruit out of season. The potential issue here is the expectation of productivity or result when it isn't the right time, which could seem unfair or inconsistent with principles of patience and understanding.