Time is one thing that can never be retrieved. One may lose and regain friends. One may lose and regain money. Opportunity, once spurned, may come again. But the hours that are lost in idleness can never be brought back to be used in gainful pursuits
The best that Gauss has given us was likewise an exclusive production. If he had not created his geometry of surfaces, which served Riemann as a basis, it is scarcely conceivable that anyone else would have discovered it. I do not hesitate to confess that to a certain extent a similar pleasure may be found by absorbing ourselves in questions of pure geometry.
Ecclesiastes said that "all is vanity," Most modern preachers say the same, or show it By their examples of true Christianity: In short, all know, or very short may know it.
Man cannot live without a permanent trust in something indestructible in himself, though both the indestructible element and the trust may remain permanently hidden from him. One of the ways in which this hiddenness can express itself is through faith in a personal god.
A wrong action may not bring its reaction at once, even as fresh milk turns not sour at once: like a smouldering fire concealed under ashes it consumes the wrongdoer, the fool.