Acts 1:3

After His suffering, He presented Himself to them with many convincing proofs that He was alive. He appeared to them over a span of forty days and spoke about the kingdom of God.
BSB · Berean Standard Bible
To whom also he shewed himself alive after his passion by many infallible proofs, being seen of them forty days, and speaking of the things pertaining to the kingdom of God:
KJV · King James Version
To these he also showed himself alive after he suffered, by many proofs, appearing to them over a period of forty days and speaking about God’s Kingdom.
WEB · World English Bible
to whom he also showed himself alive after his passion by many proofs, appearing unto them by the space of forty days, and speaking the things concerning the kingdom of God:
ASV · American Standard Version

Related passages

From the Treasury of Scripture Knowledge, grouped by the word they explain.

he shewed
Acts 13:31; Matthew 28:9, 16; Mark 16:10–14; Luke 24:1–53; John 20:1; 1 Corinthians 15:5–7; 1 John 1:1
forty
Deuteronomy 9:9, 18; 1 Kings 19:8; Matthew 4:2
speaking
Acts 28:31; Daniel 2:44, 45; Matthew 3:2; Matthew 21:43; Luke 17:20, 21; Luke 24:44–49; Romans 14:17; Colossians 1:13; 1 Thessalonians 2:12