Natural science does not simply describe and explain nature: it is part of the interplay between us and nature.
Never mistake motion for action.
The only true wisdom is in knowing you know nothing.
In a rational society we would want our presidents to be teachers. – In our actual society we insist they be cheerleaders.
Give a girl an education and introduce her properly into the world, and ten to one but she has the means of settling well, without further expense to anybody.
Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.
Worse than any severe mental illness, is the illness of bigotry.
The deepest sin against the human mind is to believe things without evidence.
I think we judge talent wrong. What do we see as talent? I think I have made the same mistake myself. Things like determination, courage, discipline, temperament, these are also talent.
Prayers without accordant action are silent lies told to oneself, heard by no God, amounting to nothing. Action is the language of truth, the prayers of the Saints.