In the sex war thoughtlessness is the weapon of the male vindictiveness of the female.

People who don't see their nature and imagine they can practice thoughtlessness all the time are lairs and fools.

For I have learned to look on nature not as in the hour of thoughtless youth but hearing oftentimes the still sad music of humanity.

Government is an evil it is only the thoughtlessness and vices of men that make it a necessary evil. When all men are good and wise government will of itself decay.

It is difficult to obtain the friendship of a cat. It is a philosophical animal... one that does not place its affections thoughtlessly.

Thoughtless risks are destructive of course but perhaps even more wasteful is thoughtless caution which prompts inaction and promotes failure to seize opportunity.

Creative risk taking is essential to success in any goal where the stakes are high. Thoughtless risks are destructive of course but perhaps even more wasteful is thoughtless caution which prompts inaction and promotes failure to seize opportunity.