Servers may choose to outline rules on the behaviour of internet bots by implementing a robots.txt file: this file is simply text stating the rules governing a bot's behaviour on that server. Any bot interacting with (or 'spidering') any server that does not follow these rules should, in theory, be denied access to, or removed from, the affected website.
For other uses, see Ignorance (disambiguation). Ignorance is a state of being uninformed or lack of knowledge. The word ignorant is an adjective describing a person in the state of being unaware and is often (incorrectly) used to describe individuals who deliberately ignore or disregard important information or facts.
What you don't know won't hurt you. For example, She decided not to read the critics' reviews-ignorance is bliss. Although its truth may be dubious at best, this idea has been expressed since ancient times. The actual wording, however, comes from Thomas Gray's poem, Ode on a Distant Prospect of Eton College (1742): Where ignorance is bliss, 'tis folly to be wise..