Teachers often quote Wang Zhihuan's poems in Tang Dynasty to inspire us to learn. What is this poem?

Don Wang Zhihuan

The mountains covered the white sun,

The ocean drained the golden river.

But you expanded your horizons by 300 miles,

Walk up a flight of stairs.

The commonly used inspirational sentences should be the last two sentences.

But you expanded your horizons by 300 miles,

Walk up a flight of stairs.

It is synonymous with climbing high and looking far, standing high and looking far.