使用了"is itself"强调结构，突出了主语本身即为谓语所述事物的本质属性，语气肯定且深刻。
Sympathy is the highest form of altruism. As stated in this quote, compassion can bring happiness to both you and others. However, this requires practice. Start by caring for those around you, observing their needs and finding ways to meet them. Even if you do not explicitly display your sympathy, it will naturally manifest over time.
If we cannot build a happy life, we have no right to enjoy happiness; just as one has no right to enjoy wealth without creating it. — George Bernard Shaw
In this life, to know you is a blessing.
Those who do not acknowledge their own happiness cannot be truly happy.
Having a soulmate friend is itself a form of happiness. — Mori Oga
Happiness is to live for others and sacrifice oneself.
Happiness does not lie in external causes, but in our attitude toward them. A person accustomed to hard work and endurance is unlikely to be unhappy.
I have learned the way to seek happiness: to limit my desires, rather than trying to satisfy them. — John Milton
When happiness arrives, people often overlook it. Once we deliberately pursue it, happiness flies away like a high-flying goose, forever out of reach. — Nathaniel Hawthorne
Having someone to think of is also a kind of happiness.
同情是最高级的无私。正如这句话所阐述的那样，同情心能让你和他人共同获得幸福。但这需要不断的练习。请从关心身边的人开始，观察他们的需求并设法去满足。即使你未刻意表现，随着时间的推移，你的同情心自然也会流露出来。
如果我们不能建设幸福的生活，我们就没有任何权力享受幸福；这正如没有创造财富就无权享受财富一样。 ——萧伯纳
有生之年，相识与你。
不承认自己幸福的人，不可能幸福。
有知心朋友本身就是一种幸福。——武者小路实笃
幸福，是为别人生活，牺牲自己。
幸福并不在于外在的原因，而是以我们对外界原因的态度为转移，一个吃苦耐劳惯了的人就不可能不幸。
我学到了寻求幸福的方法：限制自己的欲望，而不是设法满足它们。——弥尔顿
幸福来临时，人们往往不去注意。一旦我们有意去追求，幸福就会像高飞的大雁，永远迫不到。——霍桑
有一个能够思念的人也是一种幸福。
"To make many good friends, one must first be a good friend"
"Do not rush into friendship; but once a bond is formed, maintain it with unwavering constancy."
"A smile costs nothing yet brings warmth; kind words require little effort but can win lasting friendships."
"Friendship is pure because of selflessness and warm because of blessings."
"Friendship is like warm sunlight that can drive away weakness."