This is a social problem. If you don't have the courage to know what you can do, that's your own problem. If you want to do something in your mind now, just have the courage to do it, regardless of his success or failure.

A famous saying of struggle

1, stick to your will, suffer from your own heart, and work hard, no matter how big or small, you will achieve something. -Zeng Guofan

2. Cumin is awkward and dead. -On Ministers by Han Yu, a writer in the Tang Dynasty

3, learning your doubts, big doubts make great progress, and small doubts make little progress. -Chen Baisha, action leads to difficulties, difficulties lead to doubts, doubts lead to assumptions, assumptions lead to experiments, experiments lead to judgments, and judgments lead to actions, thus evolving into infinity. -Tao Xingzhi

If you are afraid of wolves, don't go into the forest. -Gorky's The Life of Matvei Kozhemyakin.

5. Humans strive to surpass wild animals and try to understand and beautify this cruel and fragmented world composed of lonely people. This desire has a powerful power, and only this power is awakening art and science. -Gorky "Rehearsal"

6, don't be timid, never let others take away your rights with your eyes open; This is your own responsibility, you can't ask others to take its place. -Tagore's shipwreck

7. The road is trodden by people, the history is written by people, and every step of people is writing their own history. -Ji Hongchang