Marx's famous sayings:

1. There is no smooth road in science. Only those who are not afraid of hard work and climb along the steep mountain road can hope to reach the glorious peak.

2. In fact, no social form can prevent the labor time controlled by society from adjusting production in one way or another.

3. Human essence is not an abstract object inherent in a single person. In terms of reality, it is the sum of all social relations.

4. A person should be: lively but disciplined, naive but not naive, brave but reckless, stubborn but principled, enthusiastic but not impulsive, optimistic but not blind.

5. Life is like an ocean. Only those with strong will can reach the other side.

Engels's famous saying:

1. If the relationship has indeed disappeared or has been squeezed out by new and more passionate love, it will be a divorce, which is called a blessing for both parties and society. of.

2. Humor is a sign that workers have confidence in their career and that they have an advantage.

3. If any nation is deprived of industry and is reduced to a mere collection of farmers, it cannot keep pace with other nations in terms of civilization.

4. The noblest, most intense and most personal of pains is the pain of love.

5. Anyone who seeks the final and ultimate truth here, the real and fundamentally unchanging truth, will not gain anything.

6. The bond that maintains the family is not the love of the family, but the private interests hidden behind the relationship between property and society.