What does this quote mean?

“’Tis not too late to seek a newer world.”

The aging speaker refuses to treat reduced time or strength as a reason to stop seeking meaningful work.

Source note: Ulysses, in the closing address to the mariners.

“Dream lofty dreams, and as you dream, so shall you become.”

Ambitious ideals can shape development when they influence what a person practices and pursues.

Source note: As a Man Thinketh, “Visions and Ideals.”

“The purpose of life is unquestionably unfoldment, growth, advancement”

Trine states his view of purpose directly: life should continue to develop rather than settle into mental or moral stagnation.

Source note: The Higher Powers of Mind and Spirit; Project Gutenberg #28163. The surrounding text describes evolution from “lower” to “higher” in spiritual terms; this is Trine’s philosophical-religious position, not a scientific law of human development.

“And lose, and start again at your beginnings.”

Starting again after loss is presented as a test of composure rather than as evidence that the earlier effort was meaningless.

Source note: If—, third stanza; the surrounding passage describes losing one’s winnings and beginning again.

“You can turn over a new leaf every hour if you choose.”

A failed plan need not govern the remainder of the day; Bennett frames each hour as another practical opportunity to restart deliberate action.

Source note: How to Live on 24 Hours a Day, discussion of beginning a programme of self-directed use of spare time. The sentence is practical encouragement within Bennett’s period self-improvement argument.

“I’m the only one in the world who wants it to be alive.”

Mary’s desire to revive the neglected garden turns care into a purpose: she values the possibility of life before she knows whether the plants can recover.

Source note: The Secret Garden; Project Gutenberg #113. Mary is speaking about the locked garden she has discovered, so the sentence remains tied to the novel’s literal plot.