1. Insisting on a great cause requires an unswerving spirit. -Voltaire

2. As long as you keep working hard and struggle unremittingly, there is nothing you can't conquer. -Seneca

3. In the duel between hope and disappointment, if you hold on with courage and firm hands, victory belongs to hope. -Purini

4. What a person can do is to set a good example and have the courage to firmly hold high ethical beliefs in a society with rumors. -Einstein

5. No matter the singing of beautiful women or the barking of sideburns, no matter the tears of crocodiles or the howling of wolves, I will not be shaken. -Capman

6. The most terrible enemy is that there is no strong belief. -Roman Roland

Extended information:

Success is a process that is easy to get at the beginning and always difficult to keep. The initial heart is easy to get, passionate and brave. However, if we can stick to it, it will take a lot of perseverance and persistence.

Therefore, persistence is the biggest factor of success. Many people, because of the beauty of their initial heart, are happy, but because of the disappearance of their initial heart, they slack off, give up and finally return halfway. Keep your heart open, so as to achieve your final goal.