Therefore everyone who hears these words of mine and puts them into practice is like a wise man who built his house on the rock. The rain came down, the streams rose, and the winds blew and beat against that house; yet it did not fall, because it had its foundation on the rock. ~ Matthew 7: 24-25 (NIV)
We guys may be able to assemble a swing set or change a set of brake pads without a manual... but going through this life without consulting our Lord's teaching is not smart.
Jesus is clear about the importance and clarity of His instructions. Love God, Love others and do it with integrity and purpose.
Be wise, men... build your life on solid foundations which can't be shaken. Follow the manual. Don't skip a step if you want a home that can withstand the tests.