1) "And when Jesus came to the place," (kai hos elthen epi ton topon) "And when Jesus came upon the place," to the location, where Zacchaeus had climbed into the sycamore tree, Luke 19:4.
2) "He looked up, and saw him, and said unto him," (anablepsas ho lesous eipen, pros auton) "Jesus looked up and said directly to him," to Zacchaeus; For He knows all things, purposes and desires that are in men, John 2:24-25; John 7:17. Even so He saw Adam and Nathaniel, Psalms 139:1-3; Genesis 3:8; Job 31:33; Jeremiah 23:24; John 1:48.
3) "Zacchaeus, make haste, and come down;" (Zakchaie speusas katabethi) "Zacchaeus you make haste, come down," at once, without delay; As the Son of God, in wisdom and knowledge, He knew the need and desire of the heart of Zacchaeus and was interested in him, as He is in the souls of all men, Luke 19:10; 2 Peter 3:9.
4) "For today I must abide at thy house." (semeron gar en to oiko sou dei me meinai) "For today I must remain or reside in your home or residence," perhaps over night, to meet a need in the life of Zacchaeus, even as He "must needs go through Samaria," to meet and save the Samaritan woman and many men of that city, John 4:4; John 4:15; John 4:38.
Divine plans were fixed in every event of our Lord’s ministry, as also stated Luke 4:43; Luke 13:33; John 14:23. Royalty invited itself into the home of this wealthy sinner because Jesus saw a needy, empty soul.
Jesus knocked for entrance into the home and heart of Zacchaeus that day and Zacchaeus said, "Come in," and he found salvation when he did, Revelation 3:20.