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.

Science is the best way to make people brave. Bruno

With the help of science, people can correct the defects of nature. Mechnikov

Science needs the life of all mankind. Pavlov

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

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

Science is always revolutionary and unorthodox; This is its nature; Only when science is asleep. Salton

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

Smith: Science is an effective antidote to fanaticism and nonsense.

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.