实现明天理想的唯一障碍是今天的疑虑。

不要因为困难而放弃梦想。

I think the most important thing in life is self-confidence.

"El miedo a lo desconocido es el principio de toda sabiduría."

Operational effectiveness and strategy are both essential to superior performance, which, after all, is the primary goal of any enterprise.