Three things are necessary for the salvation of man: to know what he ought to believe; to know what he ought to desire; and to know what he ought to do.
Saint Thomas Aquinas
But it is also clear that left entirely untouched by public policy, the capitalist system will produce more inequality than is socially healthy or than is necessary for maximum efficiency. Barney Frank
Don't flatter yourself that friendship authorizes you to say disagreeable things to your intimates. The nearer you come into relation with a person, the more necessary do tact and courtesy become. Oliver Wendell Holmes
It is thus necessary to examine all things according to their essence, to infer from every species such true and well established propositions as may assist us in the solution of metaphysical problems.
My belief is the majority of people in politics are just interested in pursuing this career in politics, and doing what's necessary to get themselves re-elected. And if that happens to coincide with the public good, great. But if it doesn't, the public good loses out. Dick Murphy
Today, many companies are reporting that their number one constraint on growth is the inability to hire workers with the necessary skills. William J. Clinton
Works of imagination should be written in very plain language; the more purely imaginative they are the more necessary it is to be plain. Samuel Taylor Coleridge
All that is necessary to break the spell of inertia and frustration is this: Act as if it were impossible to fail. That is the talisman, the formula, the command of right about face which turns us from failure to success. Dorthea Brande
Nurses perform a wide range of clinical and non-clinical functions necessary to the delivery of health care, and may also be involved in medical and nursing research.
It is necessary to the happiness of man that he be mentally faithful to himself. Infidelity does not consist in believing, or in disbelieving, it consists in professing to believe what he does not believe. Thomas Paine
It is evident that one cannot say anything demonstrable about the problem before having resolved these preliminary questions, and yet we hardly possess the necessary information to solve some of them. Georges Cuvier
Because Social Security is specifically designed to boost the retirement income of low earners with a progressive benefit formula, the program has played an enormous and necessary role in keeping Latinas out of poverty. Grace Napolitano