"The simplest truths often reveal that a grateful heart is a magnet for miracles."

"Tell me and I forget. Teach me and I remember. Involve me and I learn."

"Fatigue is the best pillow."

"The Constitution only gives people the right to pursue happiness. You have to catch it yourself."

"I like to take a long time over breakfast, and I can't bear to talk. If a guest is a breakfast talker it's very important to invite another so they can talk to each other. Otherwise they spoil the newspaper reading and everything else."

"The only time I commit to conspiracy theories is when something way retarded happens. Like Lee Harvey Oswald acting alone."

"I have devoted much time and energy to helping medical physics in developing countries."

"I remember in high school trying to get home from water-polo practice in time so I could see Happy Days on television when it first came on, because I was so blown away by it. It was just such a cool thing."