Literature Reference: 慎尔参筹划，从兹正羽翰。—— 《送杨六判官使西蕃》 Be cautious in your planning; henceforth, you shall straighten your wings and soar. Source from 'Seeing Off Yang Liu on his Mission to the Western Regions'.
慎: Be mindful; tread with caution.
尔: Thus, in this manner.
Meaning: Prudence implies carefulness and thoughtfulness in all actions.