“Do nothing, only keep agitating, debating; and things will destroy themselves.”

“So it is with minds. Unless you keep them busy with some definite subject that will bridle and control them, they throw themselves in disorder hither and yon in the vague field of imagination... And there is no mad or idle fancy that they do no bring forth in the agitation.”

“the only thing i knew how to do was to keep on keeping on”

“There is nothing illegal in keeping up a tomb; on the contrary, it is a very laudable thing to do.”

“Nothing can destroy iron, only its own rust can. Likewise, nothing can destroy you, only your own mindset can.”

“They prevented men from doing anything. But they did nothing themselves. They did not rule, they only blighted.”

“It was bewildering and humbling to keep discovering how many brave things people can fail to talk themselves out of doing.”

“In this world that destroys me, the only thing that I can do is to live my weakness. That weakness is my only strength.”

“… the only way to get a thing done is to start to do it, then keep on doing it, and finally you'll finish it,….”

“There is nothing to do but keep on.”