The scientific history of radium is beautiful.
Submitted by Quartor over 4 years ago
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Life is not easy for any of us. but what of that? We must have perseverance and above all confidence in ourselves. We must believe that we are gifted for something... …and that this thing must be attained.
Submitted by Noral over 4 years ago
Dejamos de temer aquello que hemos aprendido a entender.
Submitted by jennmf over 6 years ago
You cannot hope to build a better world without improving the individuals. To that end each of us must work for his own improvement, and at the same time share a general responsibility for all humanity, our particular duty being to aid those to whom we think we can be most useful.
Submitted by amaguire about 7 years ago