Quote by Joseph Glanvill
And for mathematical science, he that doubts their certainty hath need of a dose of hellebore.
Summary
This quote, attributed to the renowned mathematician and philosopher Thomas Hobbes, suggests that anyone who doubts the certainty of mathematical science must be suffering from a severe mental ailment. It implies that mathematics is an exceptionally reliable and true field of knowledge, leaving no room for skepticism or uncertainty. The mention of "hellebore" - a medicinal herb used to treat mental disorders in ancient times - reinforces the idea that doubting the certainty of mathematics is akin to having a mental illness that requires addressing.