一日之計在於晨

1. • make your day's plan early in the morning (idiom)
2. • early morning is the golden time of the day

Character by character

• 一(yī)one
• 日(rì)sun
• 之(zhī)(possessive particle, literary equivalent of 的 de)
• 計(jì)surname Ji
• 在(zài)exist
• 於(yú)in
• 晨(chén)morning