关于坚持原则的名人名言，综合权威资料整理如下：

一、中国古代哲人

1. "穷且益坚，不坠青云之志"——王勃《滕王阁序》

2. "天行健，君子以自强不息"——《周易》

3. "锲而舍之，朽木不折；锲而不舍，金石可镂"——荀子《劝学》

4. "流水不腐，户枢不蠹，民生在勤"——张少成

5. "宁缺毋滥，以德为先"——曾仕强

二、西方哲人与科学家

1. "The only way to do great work is to love what you do"——Steve Jobs

2. "Principle is the root of all progress"——Albert Einstein

3. "The willpower of an individual is more powerful than any material force"——Albert Einstein

4. "In science, there are no forbidden experiments"——Rosalind Franklin

5. "The greatest glory in living lies not in never falling, but in rising every time we fall"——Nelson Mandela

三、政治家与历史人物

1. "I would rather run over a thousand obstacles than walk around one"——John F. Kennedy

2. "He who is contented is rich"——Laozi

3. "The only thing necessary for the triumph of evil is for good men to do nothing"—— Edmund Burke

4. "Leadership is about making others feel safe enough to be themselves"—— Brené Brown

5. "The future belongs to those who believe in the beauty of their dreams"——Eleanor Roosevelt

四、现代社会经典语录

1. "Rules are made to be broken, but consequences are not"——Jim Rohn

2. "The only limit to our realization of tomorrow will be our doubts of today"—— Franklin D. Roosevelt

3. "Success is not final, failure is not fatal: It is the courage to continue that counts"—— Winston Churchill

4. "The best way to predict the future is to create it"—— Peter Drucker

5. "Be the change that you wish to see in the world"—— Mahatma Gandhi

这些名言从不同角度诠释了坚持原则的重要性，既有古代哲人的智慧，也有现代社会的启示。建议结合具体语境选择适用语录。