一个有父母在世的犹太男人是一个十五岁的男孩，并且将一直是一个十五岁的男孩，直到他们去世！

Respect your efforts, respect yourself. Self-respect leads to self-discipline. When you have both firmly under your belt, that's real power.

All women become like their mothers. That is their tragedy. No man does, that’s his.

Science is about understanding the world, and medicine is about applying that understanding to help people.

The elements of mind are to be discovered by systematic introspection.