If NATURE has made any one thing less susceptible than all others of exclusive property, it is the action of the thinking power called an idea... No one possesses the less, because every other possess the whole of it. He who receives an idea from me, receives instruction himself without lessening mine; as he who lights his taper at mine, receives light without darkening me.
Thomas JeffersonWhere thought is free in its range, we need never fear to hazard what is good in itself.
Thomas JeffersonSelf-love . . . is the sole antagonist of virtue, leading us constantly by our propensities to self-gratification in violation of our moral duties to others.
Thomas Jefferson[T]he people seem to have deposited the monarchical and taken up the republican government with as much ease as would have attended their throwing off an old and putting on a new suit of clothes.
Thomas JeffersonAbove all things, lose no occasion of exercising your dispositions to be grateful, to be generous, to be charitable, to be humane, to be true, just, firm, orderly, courageous, etc. Consider every act of this kind as an exercise which will strengthen your moral faculties and increase your worth.
Thomas Jefferson