Sex should be friendly. Otherwise stick to mechanical toys; it's more sanitary.

Sex should be friendly. Otherwise stick to mechanical toys; it's more sanitary.

We usually see only the things we are looking for- so much so that we sometimes see them where they read more

We usually see only the things we are looking for- so much so that we sometimes see them where they are not.

...the more original a discovery the more obvious it seems afterwards.

...the more original a discovery the more obvious it seems afterwards.

Rest is not idleness, and to lie sometimes on the grass on a summer day listening to the murmur of read more

Rest is not idleness, and to lie sometimes on the grass on a summer day listening to the murmur of water, or watching the clouds float across the sky, is hardly a waste of time.

An inventor is simply a fellow who doesn't take his education too seriously.

An inventor is simply a fellow who doesn't take his education too seriously.

The mind cannot foresee its own advance.

The mind cannot foresee its own advance.

When an elephant is in trouble even a frog will kick him.

When an elephant is in trouble even a frog will kick him.

Science does not give us absolute and final certainty. It only gives us assurance within the limits of our mental read more

Science does not give us absolute and final certainty. It only gives us assurance within the limits of our mental abilities and the prevailing state of scientific thought.

...the integrative tendencies of the individual are incomparably more dangerous than his self-assertive tendencies.

...the integrative tendencies of the individual are incomparably more dangerous than his self-assertive tendencies.