1) The document discusses confirmation bias and how beliefs are often based on selective attention to information that supports existing beliefs while ignoring information that challenges them. 2) It describes observational learning, noting that it plays an important role in socialization as children learn behaviors from observing parents and caregivers. The document provides an example of how the author learned to use a printing machine and student portal by observing others. 3) Intrinsic motivation is discussed, using the example of how the author enjoys teaching art classes on a weekly basis in order to relax, share knowledge, and see student improvement, not for external rewards like pay. The author finds teaching to be an enjoyable activity.