The road is smooth and the sky is bright. What do you mean?

Describe a pleasant journey and a bright future.

"Smooth sailing" means that there are no obstacles or difficulties on the road, which implies that the journey ahead will be smooth without too many setbacks or troubles. "The sky is high and the clouds are light" means that the sky is bright, which may mean that the sun rises or the weather is fine, or it can be extended to an image full of hope and light in the future. Therefore, the meaning of the whole sentence can be interpreted as smooth sailing and bright future, which conveys a positive and optimistic mood and implies that the future development will be smooth sailing and full of hope.