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Suffering is the teacher of life. — Balzac
Only through pain can there be joy. — Beethoven
Difficulty is a most severe teacher. — Burke
To succeed, first study the science of success. — Chen Anzhi
Experience and perseverance are the two feet of success. — Anonymous
I believe I have never stolen half an hour of laziness. — Darwin
A good beginning is half the victory. — Plato
The secret of success lies in the firmness of purpose. — Disraeli
Everything is difficult at the beginning; so is every science. — Marx
When you hope to succeed, let perseverance be your good friend. — Edison
The highest achievement of the art of success is beauty. — Goethe
Honesty and simplicity hinder the success of a career. — John Clark
Determination lies in persistence, not in words; success lies in endurance, not in speed. — Zhang Xiaoxiang
The secret of success is to never change a decided purpose. — Rousseau
Success is not the important thing; effort is what matters. — Tildor
Observe successful people closely; do not always focus on failures. — Chen Anzhi
Without great difficulties, there will be no great achievements. — Voltaire