What does it mean to be poor in spirit?

What does it mean to be poor in spirit?: What does it mean to be poor in spirit? Why and how is being poor in spirit a good thing?

Did Jesus mean we should literally pluck out our eyes and cut off our hands in Matthew 5:29-30 and 18:8-9?

Did Jesus mean we should literally pluck out our eyes and cut off our hands in Matthew 5:29-30 and 18:8-9?: Did Jesus mean we should literally pluck/gouge out our eyes and cut/chop off our hands? Are Jesus' words in Matthew 5:29-30 and 18:8-9 supposed to be understood literally?