Which brings me to a niggling point about abb3w – translating the rules for letters to email doesn’t actually really work, and assuming that all email is equal doesn’t work either. Emails to friends or colleagues with whom you have a close working relationship often don’t need a greeting. But emails to people you don’t know often do – it’s an indication of common courtesy and, for people above you in the hierarchy (whatever that might be) and indication of respect. If I write to a dean, for ex., I always start with a Dear …. – first name if I know them, full “Dean XXX” if I don’t. Same for colleagues.
Bacon considered that it is of greatest importance to science not to keep doing intellectual discussions or seeking merely contemplative aims, but that it should work for the bettering of mankind's life by bringing forth new inventions, having even stated that "inventions are also, as it were, new creations and imitations of divine works" .  He cites examples from the ancient world, saying that in Ancient Egypt the inventors were reputed among the gods, and in a higher position than the heroes of the political sphere, such as legislators, liberators and the like. He explores the far-reaching and world-changing character of inventions, such as in the stretch: