If we start with 'I feel, though, that I should like to point out to you once more the risks you are running, especially if you pursue the course you indicate.', does it make sense to conclude with 'I do not think that you understand the risks you are taking.'
I feel, though, that I should like to point out to you once more the risks you are running, especially if you pursue the course you indicate.###I do not think that you understand the risks you are taking.