Be kind whenever possible. It is always possible.
The dog that trots about finds a bone.
If you think you can do it, you can.
Be thine own palace, or the world's thy jail.
It's always too early to quit.
I can, therefore I am.
Well done is better than well said.
Without hard work, nothing grows but weeds.
Know or listen to those who know.
Things do not happen. Things are made to happen.
He fertilizes a phrase or a line of poetry for weeks and then gives birth to it in a speech.