You can have a great system that will be destroyed by mistakes created by a lack of discipline.

你可能有一个完美的系统，但会毁于缺少自律。

youdao

The head of the Campaign for Courtesy, broadcaster Esther Rantzen, said a lack of discipline was also to blame.

“礼仪运动”的领导人、播音员埃瑟?兰泽恩说，缺乏规范也是“ 世风日下”的一个原因。

youdao

We begin to see that our lack of success is within us (a lack of discipline in following the rules because of some kind of fear) and we begin to work on knowing ourselves better.

我们发现不成功是由于自身的问题，（由于恐惧而不遵守规则等等），开始认识了解自我；

youdao

Wigan coach Denis Betts criticised his players for a lack of discipline after their convincing defeat.

BBC: SPORT | Rugby League | Super League | London | London 34-20 Wigan

"A lack of discipline has cost us all season and it doesn't look like it is going to go away, " added Heeley.

BBC: Worcester City boss Heeley fumes at penalty decision

But says more about a general lack of discipline as opposed to any sort of hard mathematical limitations.

FORBES: Doing a Lot with a Little