“There is no standard by which time can be measured, but the succession of our thoughts, and the changes that take place in the external world.”

“All men are, at times, influenced by inexplicable sentiments. Ideas haunt them in spite of all their efforts to discard them. Prepossessions are entertained, for which their reason is unable to discover any adequate cause. The strength of a belief, when it is destitute of any rational foundation, seems, of itself, to furnish a new ground for credulity. We first admit a powerful persuasion, and then, from reflecting on the insufficiency of the ground on which it is built, instead of being prompted to dismiss it, we become more forcibly attached to it.”

“No one knows the powers that are latent in his constitution. Called forth by imminent dangers, our efforts frequently exceed our most sanguine belief.”

“How slender is the accommodation which nature has provided for man.”

“‎"The incapacity of sound sleep denotes a mind sorely wounded.”

“There are times in our lives when we have to realize our past is precisely what it is, and we cannot change it. But we can change the story we tell ourselves about it, and by doing that, we can change the future.”

“Human thought can literally transform the physical world .. we are the masters of our own universe”