Carry out a random act of kindness, with no expectation of reward, safe in the knowledge that one day someone might do the same for you.

Knowledge will give you power, but character respect.

We are all born ignorant, but one must work hard to remain stupid.

Real knowledge is to know the extent of one’s ignorance.

Science is organized knowledge. Wisdom is organized life.

Human behavior flows from three main sources: desire, emotion, and knowledge.

Science is a way of thinking much more than it is a body of knowledge.

Beware of false knowledge; it is more dangerous than ignorance.

Knowledge is of no value unless you put it into practice.

Knowledge is power.

Risk comes from not knowing what you’re doing.

To know, is to know that you know nothing. That is the meaning of true knowledge.

We cannot stop natural disasters but we can arm ourselves with knowledge: so many lives wouldn’t have to be lost if there was enough disaster preparedness.

To know what you know and what you do not know, that is true knowledge.

To acquire knowledge, one must study; but to acquire wisdom, one must observe.

Research is creating new knowledge.

When people rely on surface appearances and false racial stereotypes, rather than in-depth knowledge of others at the level of the heart, mind and spirit, their ability to assess and understand people accurately is compromised.

It is possible to fly without motors, but not without knowledge and skill.

The one exclusive sign of thorough knowledge is the power of teaching.

The doorstep to the temple of wisdom is a knowledge of our own ignorance.