when Jesus saw - Mark says (Mar 3:34), He “looked round about” - as if first following the departing youth with His eye - “and saith unto His disciples.”
How hardly, etc. - with what difficulty. In Mark (Mar 10:24) an explanation is added, “How hard is it for them that trust in riches,” etc. - that is, with what difficulty is this idolatrous trust conquered, without which they cannot enter; and this is introduced by the word “children” - sweet diminutive of affection and pity (Joh 21:5).