Backup your data regularly. Hard drive failure is inevitable.
Hold the "alt/option" key during startup to access the boot choices on a Mac.
Hold "Atl" and hit "Tab" to cycle quickly between open programs.
Holding the "Windows" key and hitting "Tab" is a fanicer Alt+Tab for Windows 7 and Vista.
If you click a link with the mouse wheel it should, by default, open the link in a new tab.
If you simply try in school you will be rewarded with a better quality of life.
Your degree of laziness coincides with your failures.
Most addiction is not genuine. It's an excuse for weak people to continue being weak.
Everything you do, say, and especially write is recorded somewhere and will eventually come back to bite you.
Assume everyone is plotting on you, because they are.