Speak only if it improves upon the silence.

The secret to creativity is knowing how to hide your sources.

You should be the change that you want to see in the world.

Mistakes are always forgivable, if one has the courage to admit them.

The search for truth is more precious than its possession.

First they ignore you, then they laugh at you, then they fight you, then you win.

Don't count the days, make the days count.

Seven social sins: politics without principles, wealth without work, pleasure without conscience, knowledge without character, commerce without morality, science without humanity, and worship without sacrifice.

Love is like a friendship caught on fire. In the beginning a flame, very pretty, often hot and fierce, but still only light and flickering. As love grows older, our hearts mature and our love becomes as coals, deep-burning and unquenchable.

The biggest argument against democracy is a five minute discussion with the average voter.

The sayings of Muhammad are a treasure of wisdom not only for Muslims but for all of mankind.