Spencer

“It is not the critic who counts; not the man who points out how the strong man stumbles, or where the doer of deeds could have done them better. The credit belongs to the man who is actually in the arena, whose face is marred by dust and sweat and blood; who strives valiantly; who errs, who comes short again and again, because there is no effort without error and shortcoming; but who does actually strive to do the deeds; who knows great enthusiasms, the great devotions; who spends himself in a worthy cause; who at the best knows in the end the triumph of high achievement, and who at the worst, if he fails, at least fails while daring greatly, so that his place shall never be with those cold and timid souls who neither know victory nor defeat.”
― Theodore Roosevelt

“The perilous time for the most highly gifted is not youth. The holy sensibilities of genius — for all the sensibilities of genius are holy — keep their possessor essentially unhurt as long as animal spirits and the idea of being young last; but the perilous season is middle age, when a false wisdom tempts them to doubt the divine origin of the dreams of their youth; when the world comes to them, not with the song of the siren, against which all books warn us, but as a wise old man counselling acquiescence in what is below them.”
― Elizabeth Palmer Peabody

“Whether we are speaking of a flower or an oak tree, of an earthworm or a beautiful bird, of an ape or a person, we will do well, I believe, to recognize that life is an active process, not a passive one. Whether the stimulus arises from within or without, whether the environment is favorable or unfavorable, the behaviors of an organism can be counted on to be in the direction of maintaining, enhancing, and reproducing itself. This is the very nature of the process we call life. This tendency is operative at all times. Indeed, only the presence or absence of this total directional process enables us to tell whether a given organism is alive or dead.

The actualizing tendency can, of course, be thwarted or warped, but it cannot be destroyed without destroying the organism. I remember that in my boyhood, the bin in which we stored our winter's supply of potatoes was in the basement, several feet below a small window. The conditions were unfavorable, but the potatoes would begin to sprout—pale white sprouts, so unlike the healthy green shoots they sent up when planted in the soil in the spring. But these sad, spindly sprouts would grow 2 or 3 feet in length as they reached toward the distant light of the window. The sprouts were, in their bizarre, futile growth, a sort of desperate expression of the directional tendency I have been describing. They would never become plants, never mature, never fulfill their real potential. But under the most adverse circumstances, they were striving to become. Life would not give up, even if it could not flourish. In dealing with clients whose lives have been terribly warped, in working with men and women on the back wards of state hospitals, I often think of those potato sprouts. So unfavorable have been the conditions in which these people have developed that their lives often seem abnormal, twisted, scarcely human. Yet, the directional tendency in them can be trusted. The clue to understanding their behavior is that they are striving, in the only ways that they perceive as available to them, to move toward growth, toward becoming. To healthy persons, the results may seem bizarre and futile, but they are life's desperate attempt to become itself. This potent constructive tendency is an underlying basis of the person-centered approach.”
― Carl R. Rogers

“the more I can keep a relationship free of judgment and evaluation, the more this will permit the other person to reach the point where he recognizes that the locus of evaluation, the center of responsibility, lies within himself.”
― Carl R. Rogers, On Becoming A Person: A Therapist's View on Psychotherapy, Humanistic Psychology, and the Path to Personal Growth