Lift is offered as the reason birds have been flying for aeons and aeroplanes for a little over 100 years. Newtonian and Bernouilli theory attempt to explain this phenomenon from the perspective of action and reaction – air mass and equal and opposite force; & air speeds and pressure on air foil – above and below the curved wing of a plane. The article in the link below explains the theories more eloquently:
https://twitter.com/DrAlexanderGrey/status/1227618952471367680?s=20
