一年之计在于春
yī​nián​zhī​jì​zài​yú​chūn

a year's plan starts in spring

  1. 一 yī numeral
    whole
    whole; entire; throughout; all
  2. 年 nián noun
    year
    a year or the duration of a year; also used to describe annual or yearly occurrences
  3. 之 zhī particle
    [possessive]
    Connects a describing word or phrase to the noun it describes, similar to 的 de but used in formal or literary writing.
  4. 计 計 jì noun
    plan
    a plan; a strategy; a ruse; an idea; a scheme
  5. 在于 在於 zài​yú
    to depend on
    To be determined by or rest with; points to the key factor or decider of a situation.
  6. 春 chūn noun
    spring
    The season of spring; also refers to the first season of the lunar year including the first three months.