Do not weep do not wax indignant. Understand.
It's always too early to quit.
The dog that trots about finds a bone.
Be gentle to all and stern with yourself.
The secret of getting ahead is getting started.
Begin to be now what you will be hereafter.
I can, therefore I am.
If you can dream it, you can do it.
Be kind whenever possible. It is always possible.
If you think you can do it, you can.
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.