I am telling you to be a slow-speaking person.

You must linger among a limited number of master-thinkers, and digest their works, if you would derive ideas which shall win firm hold in your mind.

No man is free who is a slave to the flesh.

A single lifetime, even though entirely devoted to the sky, would not be enough for the study of so vast a subject. A time will come when our descendants will be amazed that we did not know things that are so plain to them.

May be is very well, but Must is the master. It is my duty to show justice without recompense.

What a vile and abject thing is man if he do not raise himself above humanity.

He who would do great things should not attempt them all alone.