长时间坐着同一个地方，砖头都会被踩穿，比喻持之以恒的努力！这坚持不懈的精神，太励志了！并且只有持之以恒的努力，才能成就非凡的事业！
A scientific man ought to have no wishes, no affections, a mere heart of stone.
If you're offered a seat on a rocket ship, don't ask what seat! Just get on.