The roots of education are bitter, but the fruit is sweet.
教育的根是苦的，但果实是甜的。
The companies that will thrive are those that see plastic not as waste, but as a renewable resource.
The belief in God, bad life to me.
To write is to leave a part of yourself behind.
在数学中，你并不理解事物。你只是习惯了它们。
Time is your friend; impulse is your enemy.
"In quantum mechanics, the act of observation changes the system being observed."