Intelligence is the ability to adapt to change.

Confidence is contagious. So is lack of confidence.

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

Not everything that can be counted counts, and not everything that counts can be counted.

Knowing yourself is the beginning of all wisdom.

Thought can be so seductive and hypnotic that it absorbs your attention totally, so you become your thoughts.

The trouble with most of us is that we would rather be ruined by praise than saved by criticism.

If you place your head in a lion's mouth, then you cannot complain one day if he happens to bite it off.

Talent is God given. Be humble. Fame is man-given. Be grateful. Conceit is self-given. Be careful.

Sometimes one creates a dynamic impression by saying something, and sometimes one creates as significant an impression by remaining silent.

How often it is that the angry man rages denial of what his inner self is telling him.

Loneliness adds beauty to life. It puts a special burn on sunsets and makes night air smell better.

The weak can never forgive. Forgiveness is the attribute of the strong.

It is always advisable to perceive clearly our ignorance.

The road of excess leads to the palace of wisdom.

If you are neutral in situations of injustice, you have chosen the side of the oppressor.

You are braver than you believe, stronger than you seem, and smarter than you think.

Courage is resistance to fear, mastery of fear - not absence of fear.

Wrong life cannot be lived rightly.

To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact

Your reputation is in the hands of others. That's what the reputation is. You can't control that. The only thing you can control is your character.