"A tree cannot grow without roots, and a man cannot stand without ambition" is a proverb. Meaning: Trees cannot grow without roots, and people without ambition cannot stand between heaven and earth. This proverb compares people's aspirations to the roots of a tree, telling people that they must establish lofty aspirations in order to achieve great achievements and gain a foothold in the world.

Other similar sentences are as follows:

1. Aim high:

To aim high means to broaden your horizons and not be satisfied with the status quo or succumb to it. Difficulties and setbacks in one place at a time, not to mention the amount of personal gain and gain and loss.

2. Determined to do great things:

College students in the new era should link their personal destiny with the destiny of the country and the people, have the motherland in mind, serve the people, and be determined to serve the motherland and the people. Strive for the interests of the people, truly be proud of serving the people, feel ashamed of betraying the people, and realize personal ideals in the process of striving to realize social ideals.

3. Determination must be followed:

The ancients said: The tree that hugs each other is born from the smallest grain; the nine-story platform starts from tired soil; the journey of a thousand miles begins with a single step. To realize our lofty ideals, we must start from me, from now, and from ordinary work.