What was the most interesting thing you learned during your graduation and post-graduation years?

What was the most interesting thing you learned during your graduation and post-graduation years?
For me, I did research on a plant readily available in front of my house – the powder puff plant – and discovered its anti-helminthic activity entirely on my own. That was the first time I felt truly proud.
Were there any similar moments during your curriculum that you found intriguing and fascinating?

In my graduation i learnt about the small business concept and alots of activity that i really don’t known.