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

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

The only real laughter comes from despair.

Your visions will become clear only when you can look into your own heart. Who looks outside, dreams; who looks inside, awakes.

Science has not yet taught us if madness is or is not the sublimity of the intelligence.

Everything we hear is an opinion, not a fact. Everything we see is a perspective, not the truth.

Think globally, act locally.

All truth passes through three stages. First, it is ridiculed. Second, it is violently opposed. Third, it is accepted as being self-evident.

It is better to be looked over than overlooked.

You are not a drop in the ocean. You are the entire ocean, in a drop.

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

Be frank and explicit. That is the right line to take when you wish to conceal your own mind and to confuse the minds of others.

If you don't stand for something you will fall for anything.

Admiration is the daughter of ignorance.

Science may set limits to knowledge, but should not set limits to imagination.

A house divided against itself cannot stand.

No one cares how much you know, until they know how much you care

Medicine heals diseases of the body, wisdom frees the soul from passions.

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

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

Blessed are they who hunger and thirst for righteousness for they shall be satisfied.