the.com/testing
The art of proving your confidence wrong before reality does it publicly.
means Systematically checking whether something actually works the way it claims to, ideally before someone important finds out it doesn't.
from From Latin testum, an earthenware pot used to assay precious metals — you heated the ore and saw what survived. Trial by fire, literally, long before it meant trial by spreadsheet.
Coined termThe word bug predates computers — Edison used it in 1878.
Famous missNASA lost a Mars orbiter over unmatched metric units.
Iron lawTesting proves presence of bugs, never their absence.