| But, Max, as soon as you discard scientific rigour, you are no longer a mathematician, you're a numerologist. | แต่แมกซ์... . เมื่อใดก็ตามที่เธอละทิ้ง กฎเกณฑ์ทางวิทยาศาสตร์ Pi (1998) |
| asperity | (n) something hard to endure, Syn. rigourousness, grimness, severeness, severity, rigorousness, hardship, rigour, rigor, Example: the asperity of northern winters |
| severity | (n) excessive sternness, Syn. rigourousness, inclemency, stiffness, harshness, severeness, hardness, rigorousness, rigour, rigor, Example: severity of character; the harshness of his punishment was inhuman; the rigors of boot camp |