Ideal is people's pursuit and yearning for a better future.
The original sentence is: ideal is the pursuit and yearning for a better future formed by people in practice and with the possibility of realization. Ideal is the embodiment of people's world outlook, outlook on life and values in the goal of life. Everyone can't lack ideals. Without ideals, there is a lack of internal motivation, a lack of forward motivation, and even a loss of direction.