Compassion, respect for all living things no matter the colour or gender, how to live healthy and physically active, financial literacy. Most of these things have a huge role model part. Don't give him a screen mounted to the stroller.

Remember that while still being unborn the child will get acquainted with you voice and time if voice. Once born he will observe you and how you conduct yourself from very early on; how you treat others, how you swear, how you treat your wife, and nowadays your device pickup habits too.