Pavlov: Science has no national boundaries, but scientists have national boundaries.

Balzac: The question mark is the key to any science.

Krupskaya: Science is a great treasure house for accumulating knowledge.

Kapicha: A good scientist must be a madman to some extent.

Landau: Science, like the sea, needs hard work.

There is no royal road to science, and only those who climb along steep mountain roads can hope to reach its glorious summit. Marx

Scientific inspiration is by no means something that can wait. If there is any accidental opportunity for scientific discovery, then this accidental opportunity can only be given to educated people, people who are good at independent thinking, people who have perseverance, and not to lazy people. Hua (China)

Climbing the peak of science is like climbing Mount Everest. Cowards and lazy people can't enjoy the joy and happiness of victory if they want to overcome countless difficulties and obstacles. Jingrun Chen

There is no cliff or tower in the world that two-legged people can't climb? Similarly, there is no such scientific peak in the world, which human beings can't reach. National base

When you want to drink water, it seems that you can drink the whole ocean. This is faith; When you really drink, you can only drink two cups at a time. This is science. Chekhov

A scientist should consider the comments of later generations, not the insults or praises at that time. Pasteur (France)

While enjoying the great benefits brought by other people's inventions, we must also be willing to serve others with our own inventions. Franklin (USA)

Science is always unfair. If it doesn't ask ten questions, it will never solve one. Bernard Shaw's

Beveridge: The most accomplished scientists have the enthusiasm of enthusiasts.

Smith: Science is an effective antidote to fanaticism and wild talk.

Mendeleev: The seeds of science grow for the people's harvest.

Goethe: Fantasy is a poet's wing, and hypothesis is a scientist's ladder.

Madame Curie: In science, we should pay attention to things, not people.

Balzac: The field of science is vast, but human life is short.

Pasteur: Although science has no national boundaries, a scholar has his own country.