A0 people can be a great source of wisdom.

True

Explanation:

People can be a great source of wisdom. Wisdom is broad, but generally it  is a quality that enables one to think, judge, and know things based on experience, understanding and insight.

People can be a good source of wisdom because we can learn lessons from other people, which they have learned based on their own experience and understanding. It gives us a view from another perspective, which can contribute to your existing knowledge.

can you list the selections

exercising at a moderate intensity, and slowly increasing the duration.