The secret of getting ahead is getting started.
It's always too early to quit.
If you're going through hell, keep going.
After a storm comes a calm.
Without hard work, nothing grows but weeds.
Expect problems and eat them for breakfast.
Be thine own palace, or the world's thy jail.
Begin to be now what you will be hereafter.
I can, therefore I am.
Go for it now. The future is promised to no one.
The best way to have a good idea is to have a lot of ideas.
Satisfaction of one's curiosity is one of the greatest sources of happiness in life.
Facts are the air of scientists. Without them you can never fly.