In every society some men are born to rule, and some to advise.
The value of a dollar is social, as it is created by society.
Society is always taken by surprise at any new example of common sense.
Every known fact in natural science was divined by the presentiment of somebody, before it was actually verified.
Science does not know its debt to imagination.
Men love to wonder, and that is the seed of science.
Bad times have a scientific value. These are occasions a good learner would not miss.
Nothing external to you has any power over you.
Power and speed be hands and feet.
For every minute you remain angry, you give up sixty seconds of peace of mind.