行成于思，毁于隨。

Actions are successfully achieved with deliberation but ruined by carelessness.

Source: Tatoeba

Sentence Composition

1 行成 xíngchéng
  1. (literary) to develop moral integrity
  2. (literary) to sue for peace; to negotiate peace; to hold peace talks; to extend an olive branch
  3. to develop moral integrity
  4. to sue for peace; to negotiate peace; to hold peace talks; to extend an olive branch
=2 于 Yú surname Yu
=2 于 yú
  1. to go
  2. to take
  3. sentence-final interrogative particle
  4. variant of 於 yú
=2 于 yú
  1. (of time or place) in; at; on
  2. (indicating any indirect relation) to; toward; vis-à-vis; with regard to; for
  3. (indicating a source) from; out of
  4. (used in comparison) than
  5. (used in the passive voice) by
=3 思 sī
  1. to think
  2. to consider
=3 思 sāi
  1. (obsolete on its own in Standard Chinese) alternative form of 䰄 (“heavily bearded”)
  2. alternative form of 䰄 (“heavily bearded”)
=4 毁 huǐ
  1. to destroy; to ruin
  2. to defame; to slander
=4 毁 huǐ to destroy by fire
=4 毁 huǐ
  1. variant of 毀 huǐ
  2. to defame
  3. to slander
=5 于 Yú surname Yu
=5 于 yú
  1. to go
  2. to take
  3. sentence-final interrogative particle
  4. variant of 於 yú
=5 于 yú
  1. (of time or place) in; at; on
  2. (indicating any indirect relation) to; toward; vis-à-vis; with regard to; for
  3. (indicating a source) from; out of
  4. (used in comparison) than
  5. (used in the passive voice) by
=6 隨 Suí surname Sui
=6 隨 suí
  1. to follow
  2. to comply with
  3. varying according to...
  4. to allow
  5. subsequently