If you think you can do it, you can.
If you're going through hell, keep going.
The secret of getting ahead is getting started.
By failing to prepare, you are preparing to fail.
Well done is better than well said.
To know oneself, one should assert oneself.
To be a good loser is to learn how to win.
The most effective way to do it, is to do it.
Without hard work, nothing grows but weeds.
After a storm comes a calm.
Medieval learning was really advanced.
I don't think you need religion.