An idea that is developed and put into action is more important than an idea that exists only as an idea.

How far that little candle throws its beams! So shines a good deed in a naughty world.

Biologists must constantly keep in mind that what they see was evolved, not designed.

Many who are indignant about injustices are only indignant because they are being inflicted on them.

Happiness depends upon ourselves

The nationalist not only does not disapprove of atrocities committed by his own side, but he has a remarkable capacity for not even hearing about them.

The beginning of knowledge is the discovery of something we do not understand