And for man to look upon himself as a capital good, even if it did not impair his freedom, may seem to debase him... by investing in themselves, people can enlarge the range of choice available to them. It is one way free men can enhance their welfare. Theodore William Schultz
Consult your friend on all things, especially on those which respect yourself. His counsel may then be useful where your own self-love might impair your judgment. Lucius Annaeus Seneca
I have no inhibitions about smoking or drinking, but I think too much of my voice to place it in jeopardy. I have spent many good years in training and cultivating it, and I would be foolish to do anything which might impair or ruin it. Jeanette MacDonald
If the president is failing to disclose material facts with regard to legislation being presented to the Congress on a question as important as war and peace, I think it does impair the level of trust that the House and the Senate have for this administration. John Dingell