Any alliance whose purpose is not the intention to wage war is senseless and useless.
Ability without honor is useless.
It is better of course to know useless things than to know nothing.
It is a very sad thing that nowadays there is so little useless information.
It is a useless life that is not consecrated to a great ideal. It is like a stone wasted on the field without becoming a part of any edifice.
Invention consists in avoiding the constructing of useless contraptions and in constructing the useful combinations which are in infinite minority.
Integrity without knowledge is weak and useless, and knowledge without integrity is dangerous and dreadful.
In the present state of our knowledge, it would be useless to attempt to speculate on the remote cause of the electrical energy... its relation to chemical affinity is, however, sufficiently evident. May it not be identical with it, and an essential property of matter?
In the modern world of business, it is useless to be a creative, original thinker unless you can also sell what you create.
In preparing for battle I have always found that plans are useless, but planning is indispensable.
If you can spend a perfectly useless afternoon in a perfectly useless manner, you have learned how to live.
If two men on the same job agree all the time, then one is unnecessary. If they disagree all the time, then both are useless.
If notwithstanding, a Rebellion of the same Kind now afflicts this Country, we should not infer that this Institution is useless, or should be laid aside; but just the Reverse.
If everyone were clothed with integrity, if every heart were just, frank, kindly, the other virtues would be well-nigh useless.
I wondered a little why God was such a useless thing. It seemed a waste of time to have him. After that he became less and less, until he was... nothingness.