The only limit to our realization of tomorrow will be our doubts of today.
實現(xiàn)明天的唯一限制將是我們今天的疑慮。
世界是平的，但競技場并不公平。
The true power of mathematics lies in its ability to reveal the hidden patterns and structures that govern the universe.
Don't be embarrassed by your failures, learn from them and start again.
That which does not kill us makes us stronger.
They can’t crucify you with your hand in a fist.