Here are some quotes with deep meaning that I found:

- "The only true wisdom is in knowing you know nothing." - Socrates
- "The only way to do great work is to love what you do." - Steve Jobs
- "The best way to predict your future is to create it." - Abraham Lincoln
- "The only thing necessary for the triumph of evil is for good men to do nothing." - Edmund Burke
- "The greatest glory in living lies not in never falling, but in rising every time we fall." - Nelson Mandela

I hope these quotes help you find what you're looking for. Let me know if you need anything else.