Stand firm as a rock in midstream; mainstay. - Chinese Idiom

中流砥柱。- 汉语成语

One principle runs through it all; one unity pervading all things. - Chinese Idiom

一以贯之。- 汉语成语

一片丹心。- 汉语成语

A heart of pure loyalty. - Chinese Idiom

Remain unshakable and become even firmer as time goes by. - Chinese Idiom

历久弥坚。- 汉语成语

心如止水。- 汉语成语

One's mind settles as still water; calm and free from distractions.. - Chinese Idiom

稳如泰山。- 汉语成语

As stable as Mount Tai. - Chinese Idiom

Exceedingly faithful; fervid loyalty. - Chinese Idiom

赤胆忠心。- 汉语成语

相信奇迹的人，才能创造奇迹。- 谚语

Miracles happen to those who believe in them. - Proverb

Who are ready to believe are easy to deceive. - Maxim

轻信的人容易受骗。- 格言

自己希望什么，最容易相信什么。- 谚语

We soon believe what we desire.- Proverb

Understand in order that you may believe. - Maxim

领悟了才能相信。- 格言

Complete sincerity can affect even metal and stone.
(Faith will move a mountain.) - Chinese Idiom

精诚所至，金石为开。- 汉语成语

对每个人都信任是个缺点，对任何人都不信任同样是缺点。- 格言

It is an equal failing to trust everybody and to trust nobody. – Maxim

With sincere faith he maintains the love of learning; even with death approaching, he is perfecting the excellence of his course. – Confucius

笃信好学，守死善道。- 孔子

There is no greater sorrow than despair. - Chinese Idiom

哀莫大于心死。- 汉语成语

当我们面对威胁时，我们不应该恐惧和慌乱，而应满怀信心。 – 德怀特 艾森豪威尔

We face the threat – not with dread and confusion – but with confidence and conviction. – Dwight Eisenhower

We know the good. We apprehend it clearly, but we can't bring it to achievement. To preserve, trusting in what hopes he has, is courage in a man. - Lai Qite

我们懂得善，我们理解善，但是我们无法实现善。人的勇气就是坚信自己的希望能够实现，并为之进行不屈不挠的努力。 – 来奇特

一个人除非自己有信心，否则不能带给别人信心；已经信服的人，方能使人信服。 – 马修 阿诺德

Unless you have confidence, otherwise you cannot give others confidence; If you have been convinced, so you can make others convinced. – Matthew Arnold

We must have confidence and then do our best – if we have this notion in our mind, nine out of ten things can be successful. – Wilson

要有自信，然后全力以赴 —— 假如具有这种观念想法，任何事情十之八九都能成功。 – 威尔逊

发明家们全靠一股了不起的信心支持，才有勇气在未知世界前行。 – 巴尔扎克

Investors, if they were not on a great confidence to support all, didn't have the courage to move forward in the unknown world. - Balzac