The good life is not found in luxury, but in the freedom to choose our own path.

The world owes all its onward impulses to men ill at ease; the happy man inevitably confines himself within ancient limits.

Your time is limited, so don't waste it living someone else's life. Don't be trapped by dogma—which is living with the results of other people's thinking. Don't let the noise of others' opinions drown out your own inner voice. And most important, have the courage to follow your heart and intuition. They somehow already know what you truly want to become. Everything else is secondary.

The essence of mathematics is not to make simple things complicated, but to make complicated things simple.

数学的进步是通过它能解决的问题数量来衡量的。