"His head and hairs were white like wool, as white as snow; and His eyes were as a flame of fire; And His feet like unto fine brass, as if they burned in a furnace; and His voice as the sound of many waters." (Revelation 1:14-15)
Irons in the fire
Not sure why John chooses to describe the appearance of Jesus' feet. Could be because He was laying prostrate in front of Him. It could be the last thing John saw before he "fell at His feet as dead" (1:17). My opinion is that it refers to the feet of Jesus having been perfected through the active walking in the perfection of His Father's will.
"As it is written, How beautiful are the feet of them that preach the gospel of peace, and bring glad tidings of good things!" (Romans 10:15)
Refractory refers to a metal that is not easily shaped or molded into something else. With reference to our wills, however, the only way we'll walk in the ways God has for us is to actively bend them to His. This all may sound ultra-simplistic in light of the options open to us and especially now that free will as a concept is passe. Just try it on. The things Jesus expects are no different that what He did. And for a time, if all you have is His example--no good feelings and few other corresponding thoughts--then that's the best place to begin.
"If so be that ye have heard Him, and have been taught by Him, as the truth is in Jesus: That ye put off concerning the old man, which is corrupt according to the deceitful lusts; And be renewed in the spirit of your mind; And that ye put on the new man, which after God is created in righteousness and true holiness." (Ephesians 4:21-24)
When you do see Jesus, the above reaction is all you can manage. If you can imagine the most intense personality you've ever encountered and then multiply it a hundredfold (subtracting any inclination on the part of the person in question to manipulate with it), you have His temperament. Tempered with love and compassion and kindness. This is Jesus. And He cannot be any other. If you have a hard time surrendering your will to His, ask Him to help you see the light. To retain your stubbornness and yet use it in a positive sense, as unto Him.