Those who have the privilege to know have the duty to act.

---

If you want different results, do not do the same things.

---

Success comes from curiosity, concentration, perseverance and self criticism.

---

If people are good because they fear punishment, and hope for reward, then we are a sorry lot indeed.

---

Everything that exists in your life, does so because of two things: something you did or something you didn't do.

---

Thinking is hard work; that's why so few do it.

---

The state is made for man, not man for the state.... That is to say, the state should be our servant and not we its slaves

---

Three great forces rule the world: stupidity, fear and greed.

---

The only thing more dangerous than ignorance is arrogance

---

The height of stupidity is most clearly demonstrated by the individual who ridicules something he knows nothing about.

---