Suspicion is very often a useless pain.
Remember that nothing will supply the want of prudence, and that negligence and irregularity long continued will make knowledge useless, wit ridiculous, and genius contemptible.
The business of life summons us away from useless grief, and calls us to the exercise of those virtues of which we are lamenting our deprivation.
Conjecture as to things useful, is good; but conjecture as to what it would be useless to know, is very idle.
There is no wisdom in useless and hopeless sorrow, but there is something in it so like virtue, that he who is wholly without it cannot be loved.
There is no wisdom in useless and hopeless sorrow.
Suspicion is most often useless pain.
Books without the knowledge of life are useless.
No knowledge is useless, with the exception of heraldry.
If useless thoughts could be expelled from the mind, all the valuable parts of our knowledge would more frequently recur.
To a poet nothing can be useless.