At one point in time Abraham Lincoln said that the person who can read and chooses not to is no better off than the person who cannot read. Why have so many people made the choice to stop learning once they completed school at whatever level they stopped at? This is a puzzler!
The half life of radiation is that point at which 50% of it effective life has dissipated. For most elements that is measured in dozens of years. Most people are unaware that education has a half life as well. In 1960 the half life of education was assumed to be about 35 years so that means in 35 years half of what you know has been replaced by new and better information.
In 2012 the half life of education was assumed to be 23 MONTHS! That means that in 23 months half of what you know has been replaced by new and better information. What new information have you taken on to keep current and them replace the half you lost? If you aren’t reading a book of substance you are falling behind.
There is a book out now called The Slight Edge… Turning Simple Disciplines Into Massive Success And Happiness by Jeff Olson. Get it, read it and take the results to the bank.