It is unwise to be too sure of one's own wisdom. It is healthy to be reminded that the strongest might weaken and the wisest might err.

Mahatma Gandhi

When the winds of change blow, some people build walls and others build windmills.

Chinese Proverb

The desire of knowledge, like the thirst for riches, increases ever with the acquisition of it.

Laurence Sterne

Being at ease with not knowing is crucial for answers to come to you.

Eckhart Tolle

It's on the strength of observation and reflection that one finds a way. So we must dig and delve unceasingly.

Claude Monet

True humility is contentment.

Henri Frederic Amiel