Verse 1
Of the times and the seasons, relating to the final coming of Christ.

Verse 2
As a thief in the night; suddenly and unexpectedly.

Verse 12
To know them; to acknowledge and remember them.

Verse 16
Rejoice evermore; be contented and happy in spirit, confiding always in God.

Verse 19
Quench not the Spirit; do not repulse its influences by indifference and neglect.

Verse 20
Prophesyings; preaching. The meaning is, Do not neglect and disregard the instructions which you receive.

Verse 24
Will do it; will faithfully fulfil what he has undertaken to perform.