If you've got a talent, protect it.
Be thine own palace, or the world's thy jail.
To know oneself, one should assert oneself.
Problems are not stop signs, they are guidelines.
Be kind whenever possible. It is always possible.
The secret of getting ahead is getting started.
Without hard work, nothing grows but weeds.
If you think you can do it, you can.
Be gentle to all and stern with yourself.
Things do not happen. Things are made to happen.
The grounding in natural sciences which I obtained in the course of my medical studies, including preliminary examinations in botany, zoology, physics, and chemistry, was to become decisive in determining the trend of my literary work.