Two things are infinite: the universe and human stupidity; and I’m not sure about the universe.[Also known as:]Two things are infinite, as far as we know – the universe and human stupidity.
The frontier of the unknown can never do more than scratch the surface of eternally unknowable infinity.
The fact that our task is exactly commensurate with our life gives it the appearance of being infinite.[Daß unsere Aufgabe genau so groß ist wie unser Leben, gibt ihr einen Schein von Unendlichkeit.]
If a thing loves, it is infinite.
Finite — to fail, but infinite to Venture —
Failures are infinitely more instructive than successes.
“Infinity.” This, like “God,” “spirit,” and some other expressions of which the equivalents exist in all languages, is by no means the expression of an idea – but of an effort at one. It stands for the possible attempt at an impossible conception.