So many people see conscience as a small still voice inside them of them, a little like Jiminy Cricket.
Many would assume that conscience was about doing what feels right, or what is going produce the greatest good.
The HFE debate seem to highlight a serious problem in the formation of "an informed conscience". Every human being has a duty to inform their conscience, for a Christian that is impossible apart from the Church.
In education today there is so much emphasis on developing self esteem, that self restraint is often neglected. In order to develope conscience we have to become masters of self restraint and denial.