Consider mine enemies - See Psalms 25:2. It is evident that one source of the trouble referred to in the psalm was the fact that he had cruel foes, and that he was apprehensive of their designs. The train of thought seems to be, in accordance with the remarks above, that enemies actually surrounded him, and threatened him, and that this fact suggested the inquiry whether this was not permitted on account of his sins. this had led him to think of the sins of his past life, going back as far as his youth Psalms 25:7, as if these calamities, even in advanced life, were on account of those early offences.
For they are many - Who and what they were, we have now no means of ascertaining. See the notes at Psalms 25:16.
And they hate me with cruel hatred - Margin, as in Hebrew: “hatred of violence.” It was such hatred as tended to violence; such that they could not restrain it. It sought his destruction, and was ready to break out at any moment.