God gave a glimpse of what is to come
Scripture reference
2 Corinthians 12:2 (ASV)
2I know a man in Christ, fourteen years ago (whether in the body, I know not; or whether out of the body, I know not; God knoweth), such a one caught up even to the third heaven.
Stories
In an incredible vision shown to Silas Told, he was able to see the glorious splendour of heaven and its inhabitants.
Mrs. Jang died and saw heaven. The next day she was miraculously brought back to life to share with her family and many who flocked to listen to her stories of heaven. While there, the Heavenly Father told her to return to her people, but that He would take her back on the 12th day of the following month. On the appointed day, Mrs. Jang happily went back to God.
A beautiful letter Rev. J.S.C Abbott wrote to his friend, J. Dewitt Miller, just before his death. In it, he described his hope of seeing heaven, a place more beautiful than anything comparable on earth.
Vanya had an encounter with an angel that took him to other worlds and showed him different prominent Biblical figures. His neighbor did not believe him when he narrated the encounter to him.
On the day Surprise gave his life to Jesus, he went to bed and in a dream, was allowed to see glimpses of Heaven. And he testifies that till this day, his face parts in a smile just thinking about the experience.