Go for it now. The future is promised to no one.
Either you run the day or the day runs you.
Know or listen to those who know.
Do not weep do not wax indignant. Understand.
It's always too early to quit.
The most effective way to do it, is to do it.
If you think you can do it, you can.
Well done is better than well said.
Things do not happen. Things are made to happen.
Always desire to learn something useful.
Economics has never been a science - and it is even less now than a few years ago.