The solar system has no anxiety about its reputation, and the credit of truth and honesty is as safe; nor have I any fear that a skeptical bias can be given by leaning hard on the sides of fate, of practical power, or of trade, which the doctrine of Faith cannot down-weigh.
Talent for talent's sake is a bauble and a show. Talent working with joy in the cause of universal truth lifts the possessor to new power as a benefactor.
For the great majority of mankind are satisfied with appearances, as though they were realities, and are often more influenced by the things that seem than by those that are.
Nor seek, for this is also sooth,
To hunger fiercely after truth,
Lest all thy toiling only breeds
New dreams, new dreams; there is no truth
Saving in thine own heart.
Truth resides in every human heart, and one has to search for it there, and to be guided by truth as one sees it. But no one has a right to coerce others to act according to his own view of truth.
Even as wisdom often comes from the mouths of babes, so does it often come from the mouths of old people. The golden rule is to test everything in the light of reason and experience, no matter from where it comes.