After that, until its close, life is a continuous struggle with the manifold forms of physical infirmity.

If we live to be old it must be through our victoriousness over the unceasing antagonism of accident and disease.
The same is true in mental progress.

It must be made against resistance.

It is never easy to become a scholar or to attain intellectual culture.

It takes years and years of study and discipline to draw out and train the faculties of the mind.