The greatest minds are capable of the greatest vices as well as of the greatest virtues.

Be realistic: Plan for a miracle

Those who can not change their minds can not change anything.

Early to bed and early to rise, Makes a man healthy, wealthy, and wise.

Take care of the pieces well. The whole will take care of itself.

Never pick a fight with an ugly person, they've got nothing to lose.

There is an art, or rather a knack to flying. The knack lies in learning how to throw yourself at the ground and miss.

If you are a parent, open doors to unknown directions to the child so he can explore. Don't make him afraid of the unknown,give him support.

Act as if the maxim of your action were to become through your will a general natural law

If I speak of myself in different ways, that is because I look at myself in different ways.

Criticize the act, not the person.

Be silent or let thy words be worth more than silence.

There is always time to add a word, never to withdraw one.

What a man does for others, not what they do for him, gives him immortality.

If you do not know the laws of right conduct, you cannot form your character.

Tis very certain the desire of life prolongs it.

I've learned that people will forget what you said, people will forget what you did, but people will never forget how you made them feel.

To me, being an intellectual doesn't mean knowing about intellectual issues; it means taking pleasure in them.

We are all born ignorant, but one must work hard to remain stupid

There are no limitations to the mind except those we acknowledge.

If you only read the books that everyone else is reading, you can only think what everyone else is thinking.