My scientific studies have afforded me great gratification; and I am convinced that it will not be long before the whole world acknowledges the results of my work.

There is an afterlife. I am convinced of this.

I am convinced that if you serve great value, people will come to you.

The value and utility of any experiment are determined by the fitness of the material to the purpose for which it is used, and thus in the case before us it cannot be immaterial what plants are subjected to experiment and in what manner such experiment is conducted.

I am convinced that there can be luxury in simplicity.

I am convinced that we are in a terminal process.