None are so old as those who have outlived enthusiasm.
Henry David ThoreauRead
No human being, past the thoughtless age of boyhood, will wantonly murder any creature which holds its life by the same tenure that he does.
Interpretation
This quote emphasizes the interconnectedness of all living beings and the moral implication of taking a life.
Henry David Thoreau suggests that as individuals grow and mature, they develop a sense of empathy and moral responsibility that prevents them from harming others indiscriminately. Recognizing that all beings share the experience of life leads to a greater respect for existence and an understanding that to take a life is to violate a common bond among living creatures.
In practice
During a speech on environmental ethics, one could use this quote to illustrate the importance of respecting all forms of life.
None are so old as those who have outlived enthusiasm.
Through want of enterprise and faith men are where they are, buying and selling and spending their lives like servants.
An early-morning walk is a blessing for the whole day.
Have no mean hours, but be grateful for every hour, and accept what it brings. The reality will make any sincere record respectable.
As every season seems best to us in its turn, so the coming in of spring is like the creation of Cosmos out of Chaos and the realization of the Golden Age.
That grand old poem called Winter
Work and leisure are complementary parts of the same living process and cannot be separated without destroying the joy of work and the bliss of leisure.
[A]nother important difference between tourist and traveler is that the former accepts his own civilization without question; not so the traveler, who compares it with the others, and rejects those elements he finds not to his liking.
The whole universe is composed of name and form. Whatever we see is either a compound of name and form, or simply name with form which is a mental image.
Nothing records the effects of a sad life so graphically as the human body.
Yet not for a single moment did I have any doubts about my own integrity and honour as a woman. I knew that my profession had been invented by men, and that men were in control of both our worlds, the one on earth, and the one in heaven. That men force women to sell their bodies at a price, and that the lowest paid body is that of a wife. All women are prostitutes of one kind or another.
Whenever you find yourself getting angry about a difference of opinion, be on your guard; you will probably find, on examination, that your belief is going beyond what the evidence warrants.
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