To know oneself, one should assert oneself.
Begin to be now what you will be hereafter.
Be kind whenever possible. It is always possible.
Only the educated are free.
It's always too early to quit.
Who seeks shall find.
Without hard work, nothing grows but weeds.
If you can dream it, you can do it.
I can, therefore I am.
What you do today can improve all your tomorrows.
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.