But the power of instruction is seldom of much efficacy, except in those happy dispositions where it is almost superfluous.

In order for America to remain the leader in medical innovation, we must reduce costs, ease regulatory burdens, and increase the efficacy of producing new treatments and cures here in the U.S.

We cannot decide on the efficacy of a medical treatment by counting the number of 'Likes' an intervention receives on Facebook; no matter what, professionals will still need to conduct continued clinical trials and evaluate their outcomes carefully.

In order to succeed, people need a sense of self-efficacy, to struggle together with resilience to meet the inevitable obstacles and inequities of life.

Far from the stereotype that psychodynamic treatments are appropriate only for the 'worried well,' a growing body of evidence points to their efficacy in dealing with the most pressing mental health problems of our time.

Should the high court be able to roll back state health regulations whose efficacy was at least debatable? If your answer is yes, logical consistency should encourage you to apply this same logic to the court's consideration of state-level gun control.

People who have a sense of self-efficacy bounce back from failure; they approach things in terms of how to handle them rather than worrying about what can go wrong.

I should attempt to treat human vice and folly geometrically... the passions of hatred, anger, envy, and so on, considered in themselves, follow from the necessity and efficacy of nature... I shall, therefore, treat the nature and strength of the emotion in exactly the same manner, as though I were concerned with lines, planes, and solids.

But the power of instruction is seldom of much efficacy except in those happy dispositions where it is almost superfluous.