Correct

事无三不成

/ shì wú sān bùchéng / 
Strokes

Example

Definition

success cannot be won without making repeated efforts

1
Shì
事
wú
无
sān
三
bù
不
chéng
成
  
,
wǒ
我
xiǎng
想
nǐ
你
yīnggāi
应该
zài
再
shì
试
yī
一
cì
次
  
。

As success cannot be won without repeated efforts, I think you should have another try.