Marie Curie名言：我们应该有恒心，尤其要有自信心丨confidence

persevere [I] 锲而不舍，坚持不懈〔含褒义〕
Persevere and keep going until you reach your ideal weight.
咬紧牙关坚持下去，直至达到你的理想体重为止。

perseverance [U] 不屈不挠，坚持不懈
It took perseverance to overcome his reading problems.
由于坚持不懈，他才得以克服阅读障碍。

above all 最重要的是
Max is hard-working, cheerful, and above all honest.
马克斯工作努力、性格开朗，最重要的是为人诚实。

confident [adj] 有信心的，自信的
I feel much more confident about myself and my abilities these days.
近来我对自己以及自己的能力感到自信多了。

confidence [n] 信心，信任
She had complete confidence in the doctors.
她对这些医生完全信任。