You must not think that what is hard for you to master is humanly impossible; and if it is humanly possible, consider it to be within your reach.
我们必须始终质疑我们的假设,并愿意根据新的证据修订我们的理论。
You can't be wise and in love at the same time.
History is a set of lies agreed upon.
Don't be afraid of making mistakes, be afraid of not learning.