The only real mistake is the one from which we learn nothing.

If you start out by promising what you don't even have yet, you'll lose your desire to work toward getting it.

物理学家必须拥有生动的直觉想象力，因为新思想不是通过演绎产生的，而是通过艺术性的创造性想象。

A feeling of beauty is a sign that we have come upon a material articulation of certain of our ideas of a good life.

燃气发动机是所有热机中最完美的，因为它结合了蒸汽机和内燃机的优点。

Success is not final, failure is not fatal.

教育本身就是生活，而不是为生活做准备。