A candle flame that is longer than its laminar smoke point will emit soot. Soot inhalation has known health hazards. Proper wick trimming will prevent soot emissions from most candles.
A careful analysis of the process of observation in atomic physics has shown that the subatomic particles have no meaning as isolated entities, but can only be understood as interconnections between the preparation of an experiment and the subsequent measurement. Erwin Schrodinger
A chemical substance is a material with a specific chemical composition. A common example of a chemical substance is pure water; it has the same properties and the same ratio of hydrogen to oxygen whether it is isolated from a river or made in a laboratory.
A child born to a Black mother in a state like Mississippi... has exactly the same rights as a white baby born to the wealthiest person in the United States. It's not true, but I challenge anyone to say it is not a goal worth working for. Thurgood Marshall
A child too, can never grasp the fact that the same mother who cooks so well, is so concerned about his cough, and helps so kindly with his homework, in some circumstance has no more feeling than a wall of his hidden inner world. Alice Duer Miller
A child who does not play is not a child, but the man who doesn't play has lost forever the child who lived in him and who he will miss terribly. Pablo Neruda
A child's fear is a world whose dark corners are quite unknown to grownup people; it has its sky and its abysses, a sky without stars, abysses into which no light can ever penetrate. Julien Green
A child-like man is not a man whose development has been arrested; on the contrary, he is a man who has given himself a chance of continuing to develop long after most adults have muffled themselves in the cocoon of middle-aged habit and convention. Aldous Huxley