Be gentle to all and stern with yourself.
It's always too early to quit.
You never know what motivates you.
Who seeks shall find.
Things do not happen. Things are made to happen.
If you're going through hell, keep going.
Well done is better than well said.
If you can dream it, you can do it.
Go for it now. The future is promised to no one.
If you think you can do it, you can.
The worst moment for the atheist is when he is really thankful and has nobody to thank.