Courage is the power of the mind to overcome fear.

Science investigates; religion interprets. Science gives man knowledge, which is power; religion gives man wisdom, which is control. Science deals mainly with facts; religion deals mainly with values. The two are not rivals.

We must remember that intelligence is not enough. […] The complete education gives one not only power of concentration, but worthy objectives upon which to concentrate.

I am not interested in power for power’s sake, but I’m interested in power that is moral, that is right and that is good.

Our scientific power has outrun our spiritual power. We have guided missiles and misguided men.

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

The ultimate value of life depends upon awareness and the power of contemplation rather than upon mere survival.

Anybody can become angry – that is easy, but to be angry with the right person and to the right degree and at the right time and for the right purpose, and in the right way – that is not within everybody’s power and is not easy.

We need to ask ourselves how to find happiness — it’s not in money and power.

We all have the power of thought – so what are you lacking? If you have willpower, then you can change anything.

The ultimate source of happiness is not money and power, but warmheartedness.

The ultimate power in life is to be completely self-reliant, completely yourself.

Beauty is power; a smile is its sword.

Sometimes the only thought that sustains me and is my only refuge from despair is that I have always done everything I could within my small power, and that year in, year out, I have never permitted myself any amusements or diversions except those afforded by my studies.

The satisfaction of physical needs is indeed the indispensable precondition of a satisfactory existence, but in itself it is not enough. In order to be content, men must also have the possibility of developing their intellectual and artistic powers to whatever extent accords with their personal characteristics and abilities.

I no longer need to take part in the competition of the big brains. Participating [in the process] has always seem to me an awful type of slavery no less evil than the passion for money or power.

A spirit is manifest in the laws of the universe, a spirit vastly superior to that of man, and one in the face of which we with our modest powers must feel humble.

The most common way people give up their power is by thinking they don't have any.

I think it's fair to say that personal computers have become the most empowering tool we've ever created. They're tools of communication, they're tools of creativity, and they can be shaped by their user.

Harnessing steam power required many innovations, as William Rosen chronicles in the book 'The Most Powerful Idea in the World.'

By improving health, empowering women, population growth comes down.