“You cannot become a truly effective advocate unless you know all sides of your subject thoroughly, opposing arguments as well as your own.”

In most cases, especially in philosophical situations. To know the spirit of God needs no argument to truly be an effective advocate. To argue opposing doctrines ('A'theism to 'Z'en) of religion, politics and philosophy, one is truly benefited by thoroughly knowing all sides of the subject, including opposing arguments as well as your own.

And I cannot live as a freeman unless I know all sides of the subject thoroughly, opposing arguments as well as my own.

To be an advocate of truth, one need only abstain from speaking falsely.

With knowledge comes recognition, coupled with skill, comes application of doctrinal Truth. " Study to show thyself approved unto God, a workman that needeth not to be ashamed, Rightly Dividing the Word of Truth." II Timothy 2:15. To cut Aright between administrations, past and present. Things that are different are not the same. Then was bondage, But Now, we have the administering of Liberty and Freedom with all sound doctrines thereof.

Agreed, the foolish child only allows one side, while the truly informed mature individual listens to all sides. Socialism is the challenge of social abilities to create maturity.