If I had my life to live over again, I would make it a rule to read some poetry, listen to some music, and see some painting or drawing at least once… - Charles Darwin

If I had my life to live over again, I would have made a rule to read some poetry and listen to some music at least once every week.

if I had to live my life again, I would have made a rule to read some poetry and listen to some music at least once every week;

The highest stage in moral culture at which we can arrive, is when we recognise that we ought to control our thoughts.

In the long history of humankind (and animal kind, too) those who learned to collaborate and improvise most effectively have prevailed.

The great variability of all the external differences between the races of man, likewise indicates that they cannot be of much importance; for if important, they would long ago have been either fixed and preserved, or eliminated.