Stay true to yourself and never let success change who you are.
The central task of education is to implant a will and facility for learning; it should produce not learned but learning people. The truly human society is a learning society, where grandparents, parents, and children are students together.
You can't love everybody, but you can be kind to everybody.
历史学家必须公正，但不能冷漠。
撰写传记就是穿上别人的鞋子，通过他们的眼睛看世界。
"When I believe in something, I'm like a dog with a bone."