Mahesh 
Piet Hein, a Danish polymath, who is famous for his short poems (also known as gruks or grooks) puts it tersely:
The road to wisdom? Well it’s plain
and simple to express:
Err
and err
and err again
but less
and less
and less.
- Piet Hein, Poet
And yes, I have had my share of mistakes. Only time will tell if I am on the correct road!
Head over to the Mind over matter section to browse the various articles on becoming wiser. :)