Noah releases a dove three times. The dove is a clean animal, a picture of the Holy Spirit, Who can only find rest with Christ (Mt 3:1616After being baptized, Jesus came up immediately from the water; and behold, the heavens were opened, and he saw the Spirit of God descending as a dove [and] lighting on Him,) and with the believer, because he has Christ as his life (1Cor 6:1919Or do you not know that your body is a temple of the Holy Spirit who is in you, whom you have from God, and that you are not your own?).
When Noah sends her out the first time, most likely seven days after the raven was sent out – because the second time it says that he waits “yet another seven days” (verse 1010So he waited yet another seven days; and again he sent out the dove from the ark.) –, she returns, because she can’t find rest anywhere. The second time, seven days later, Noah releases the dove again. Then she comes back with an olive leaf. That points to new life.
In the life of the believer, spiritual fruit will be discernible. God’s goal is that the new earth, the new life, produces fruit, fruit worked by the Holy Spirit, the fruit of the Spirit (Gal 5:2222But the fruit of the Spirit is love, joy, peace, patience, kindness, goodness, faithfulness,). This fruit we see here in the picture of the olive leaf of the olive tree. The olive tree produces oil. Oil was later used for the anointing of priests, kings, and occasionally a prophet. Thus is the believer anointed with the Holy Spirit, he has the “anointing from the Holy One” (1Jn 2:2020But you have an anointing from the Holy One, and you all know.; 2Cor 1:2121Now He who establishes us with you in Christ and anointed us is God,; 1Jn 2:2727As for you, the anointing which you received from Him abides in you, and you have no need for anyone to teach you; but as His anointing teaches you about all things, and is true and is not a lie, and just as it has taught you, you abide in Him.), through which he can produce the fruit of the Spirit.
When Noah sends out the dove for the third time, she does not return. Now he knows that the earth is dry.