你无法改变过去,但可以改变未来。
You can’t change the past, but you can change the future.
If you want to achieve greatness, stop asking for permission.
【解释】人常常在忧患困苦中,才能磨练意志,增长才干。
You have to grind when no one else is grinding so you can shine when no one else is shining.