Problems are not stop signs, they are guidelines.
Without hard work, nothing grows but weeds.
Either you run the day or the day runs you.
The most effective way to do it, is to do it.
If you can dream it, you can do it.
The secret of getting ahead is getting started.
Only the educated are free.
Things do not happen. Things are made to happen.
Well done is better than well said.
If you think you can do it, you can.
It's amazing that something only an atom thick can be an impenetrable barrier. You can have gas on one side and vacuum or liquid on the other, and with a wall only one atom thick, nothing would go through it.