If you're going through hell, keep going.
Without hard work, nothing grows but weeds.
If you can dream it, you can do it.
Always desire to learn something useful.
I can, therefore I am.
Be gentle to all and stern with yourself.
The wise does at once what the fool does at last.
Begin to be now what you will be hereafter.
Well done is better than well said.
It's always too early to quit.
There must be a positive and negative in everything in the universe in order to complete a circuit or circle, without which there would be no activity, no motion.
To enjoy enduring success we should travel a little in advance of the world.