About the use of language: it is impossible to sharpen a pencil with a blunt axe. It is equally vain to try to do it with ten blunt axes instead. Edsger Dijkstra
Accuracy is, in every case, advantageous to beauty, and just reasoning to delicate sentiment. In vain would we exalt the one by depreciating the other. David Hume
And they write innumerable books; being too vain and distracted for silence: seeking every one after his own elevation, and dodging his emptiness. T. S. Eliot
Because just as arms have no force outside if there is no counsel within a house, study is vain and counsel useless that is not put to virtuous effect when the time calls. Francois Rabelais
Christianity, democracy, science, education, wealth, and the cumulative inheritance of a thousand years, have not preserved us from the vain repetition of history. Ralph A. Cram
Concerning God, freewill and destiny: Of all that earth has been or yet may be, all that vain men imagine or believe, or hope can paint or suffering may achieve, we descanted. Percy Bysshe Shelley
Death is not more certainly a separation of our souls from our bodies than the Christian life is a separation of our souls from worldly tempers, vain indulgences, and unnecessary cares. William Law
During my life I have seen, known, and lost too much to be the prey of vain dread; and, as for the hope of immortality, I am as weary of that as I am of gods and kings. For my own sake only I write this; and herein I differ from all other writers, past and to come. Mika Waltari
Half of the secular unrest and dismal, profane sadness of modern society comes from the vain ideas that every man is bound to be a critic for life. Henry Van Dyke
His daughter returned from her boarding school, improved in fashionable airs and expert in manufacturing fashionable toys; but, in her conversation, he sought in vain for that refined and fertile mind which he had fondly expected. Emma Willard