Life is a travelling to the edge of knowledge, then a leap taken.
Do not try to produce an ideal child, it would find no fitness in this world.
There is a principle which is a bar against all information, which cannot fail to keep a man in everlasting ignorance-that principle is contempt prior to investigation.
The law is the survival of the fittest. . . . The law is not the survival of the 'better' or the 'stronger,' if we give to those words any thing like their ordinary meanings. It is the survival of those which are constitutionally fittest to thrive under the conditions in which they are placed; and very often that which, humanly speaking, is inferiority, causes the survival.
The great aim of education is not knowledge but action.
The wise man must remember that while he is a descendant of the past, he is a parent of the future.
The most important attribute of man as a moral being is the faculty of self-control.
I was a rotten kid. My excitement came from seeing what I could get away with.
Dogs have boundless enthusiasm but no sense of shame. I should have a dog as a life coach.
There is a prodigious selfishness in dreams: they live perfectly deaf and invulnerable amid the cries of the real world.
Sharing knowledge is not about giving people something, or getting something from them. That is only valid for information sharing. Sharing knowledge occurs when people are genuinely interested in helping one another develop new capacities for action; it is about creating learning processes.