2:1 When I came to you, brothers and sisters, I did not come with superior eloquence or wisdom as I proclaimed the testimony of God.
3:1 So, brothers and sisters, I could not speak to you as spiritual people, but instead as people of the flesh, as infants in Christ.
10:1 For I do not want you to be unaware, brothers and sisters, that our fathers were all under the cloud and all passed through the sea,
14:20 Brothers and sisters, do not be children in your thinking. Instead, be infants in evil, but in your thinking be mature.
15:1 Now I want to make clear for you, brothers and sisters, the gospel that I preached to you, that you received and on which you stand,
15:50 Now this is what I am saying, brothers and sisters: Flesh and blood cannot inherit the kingdom of God, nor does the perishable inherit the imperishable.