"議論に負けたとき、中傷は敗者の道具になる"
“Only the extremely ignorant or the extremely intelligent can resist change”
“Know thyself”
“One thing only I know, and that is that I know nothing”
“The beginning of wisdom is a definition of terms ”
“The quieter you become, the more you can hear.”
“I think it is possible for ordinary people to choose to be extraordinary.”
“The more you confront the uncomfortable, the more you will become comfortable with it”
“Nothing in the world is ever completely wrong. Even a stopped clock is right twice a day.”
“You are what you believe yourself to be.”
“You have to work hard in the dark to shine in the light.”
“Live without pretending, love without depending, listen without defending, speak without offending”
“Be the change that you wish to see in the world.”
“Sometimes by losing a battle you find a new way to win the war”
“The future depends on what we do in the present.”