使用了倒装强调结构，以'Only'开头突出条件的重要性，表达深刻且富有哲理。
Ambition or a mere sense of responsibility does not produce anything truly valuable; only love for humanity and devotion to objective reality can yield results of true value. --- Albert Einstein (USA)
Everyone has certain ideals, which determine the direction of his efforts and judgment. --- Albert Einstein (USA)
Today, people are rushing, chasing, and competing for refrigerators, cars, and houses. This is a characteristic of our era. However, there are still many people who do not pursue these material things; instead, they pursue ideals and truth, thereby attaining inner freedom and peace. --- Albert Einstein (USA)
The happiest thing in the world is to strive for one's ideals. Philosophers tell us that the joy of "the greatest happiness lies in doing good" arises from morality. Those who strive for their ideals will certainly obtain this happiness, because the essence of ideals contains moral value. --- Socrates (Greece)
A person who voluntarily endures suffering, inspired by beautiful hope, is like a hunter who happily bears fatigue, for he has the hope of catching the beast. --- Socrates (Greece)
If we fight by faith, we have double armor. --- Plato (Greece)
雄心壮志或单纯的责任感不会产生任何真正有价值的东西，只有对于人类和对于客观事物的热爱与献身精神，才能产生真正有价值的东西。---爱因斯坦（美国）
每个人都有一定的理想，这种理想决定着他的努力和判断的方向。---爱因斯坦（美国）
现在，大家都为了电冰箱、汽车、房子而奔波，追逐，竞争。这是我们这个时代的特征。但是也还有不少人，他们不追求这些物质的东西，他们追求理想和真理，得到了内心的自由和安宁。---爱因斯坦（美国）
世界上最快乐的事，莫过于为理想而奋斗。哲学家告诉我们，“为善至乐”的乐，乃是从道德中产生出来的。为理想而奋斗的人，必能获得这种快乐，因为理想的本质就含有道德的价值。---苏格拉底（希腊）
自愿的.人在忍受苦楚的时候，受到美好希望的鼓舞，就如打猎的人能欢欣愉快地忍受劳累，因为他有猎獲野兽的希望。---苏格拉底（希腊）
我们若凭信仰而战斗，就有双重的武装。---柏拉图（希腊）