He speaks, for example, about the need to subordinate our own desires to God's will, and about the importance of watchfulness in place of calculations: «You know not the day nor the hour.» (religion-online.org)
After them, Luke has the ones about constant watchfulness, which are given near the end of Matthew's Gospel (Lk 12:35 - 46; Mt 24:43 - 51; 25:1 - 13). (religion-online.org)
Placed here at the end of this chapter, these warnings are made to speak of watchfulness in the face of the coming Son of man. (religion-online.org)