'Difficult' in the Bible

How narrow is the gate and difficult the road that leads to life, and few find it.

For this nation’s heart has grown hard,And with their ears they hardly hear,And they have [tightly] closed their eyes,Otherwise they would see with their eyes,And hear with their ears,And understand with their heart, and turn [to Me]And I would heal them [spiritually].’

Jesus said to His disciples, “I assure you and most solemnly say to you, it is difficult for a rich man [who clings to possessions and status as security] to enter the kingdom of heaven.

“Then the man who had received one talent also approached and said, ‘Master, I know you. You’re a difficult man, reaping where you haven’t sown and gathering where you haven’t scattered seed.