If you buy what you do not need, you will need what you cannot buy.

The pendulum of the mind oscillates between sense and nonsense, not between right and wrong.

The oldest, shortest words- 'yes' and 'no'- are those which require the most thought.

He alone is free who lives with free consent under the entire guidance of reason.

He who is slowest in making a promise is most faithful in its performance.

One who gains strength by overcoming obstacles possesses the only strength which can overcome adversity.

The road of excess leads to the palace of wisdom.

Boredom is the root of all evil - the despairing refusal to be oneself.

Wisdom is not the product of schooling, but of the lifelong attempt to acquire it.

The greatest of all mistakes is to do nothing because you think you can only do a little

Do not say a little in many words, but a great deal in few!

Compassion is the basis of morality.

You place too much importance... on the so-called purity of blood! You fail to recognize that it matters not what someone is born, but what they grow to be!

Rational discussion is useful only when there is a significant base of shared assumptions.

Knowing yourself is the beginning of all wisdom.

It is not the strength, but the duration, of great sentiments that makes great men.

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

In any moment of decision, the best thing you can do is the right thing. The worst thing you can do is nothing.

Nothing is as easy as it looks.

Just remember, once you're over the hill you begin to pick up speed.

No matter how much suffering you went through, you never wanted to let go of those memories.