# He plots evil

"He plans evil" or "He prepares to do evil deeds"

# he always stirs up discord

"he always causes discord" or "he is constantly looking for conflict and escalating it"

# Therefore

"For that reason"

# his disaster will overtake him

This implies that the disaster is chasing him like a person or an animal, and that it will catch him soon. AT: "his disaster will catch him" (See: [[rc://en/ta/man/translate/figs-personification]])

# his disaster

This refers to the disaster that will happen to him, but also the disaster that he himself caused.

# in an instant; in a moment

Both mean the same thing, and one or both of them can be replaced by "suddenly" or "very quickly".