Psalms 26:10

In whose hands is mischief,.... Every abominable wickedness; as idolatry, adultery, murder, &c. the word signifies and is sometimes used for mischief conceived in the mind, artificially devised and…

In whose hands is mischief - The word here rendered “mischief,” means properly “purpose, counsel, plan;” then, an evil purpose, “mischief, wickedness, crime.” The idea is, either that they intended to…

In these verses,

I. David mentions, as further evidence of his integrity, the sincere affection he had to the ordinances of God, the constant care he took about them, and the pleasure he took in them.…

His love for God's house is a further reason why he should not be involved in the fate of sinners.